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41results about How to "Improve the quality of operation and maintenance" patented technology
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Integrated tobacco industry information security, operation and maintenance application platform system
InactiveCN103400226ARealize scientific monitoringImplement schedulingResourcesMaintenance managementEngineering
The invention discloses an integrated tobacco industry information security, operation and maintenance application platform system, which comprises an information security, operation and maintenance service management portal module, a centralized security control module, an informationized work management module and a business service management center module; the information security, operation and maintenance service management portal module is respectively connected with the business service management center module, the centralized security control module and the informationized work management module; the information security, operation and maintenance service management portal module mainly comprises a display module, a business module and an acquisition module, and the acquisition module is provided with an operating command interface and an external platform interface. The system can be used for centrally managing information security and IT (Information Technology) service, realizing the centralized management of accounts, authentication, authorization, audit and access, standardizing security, operation and maintenance management, increasing the quality of operation and maintenance, decreasing security risk, regularizing the behaviors of users, and facilitating to increase the professional levels of technicians.
Owner:湖南省烟草公司永州市公司
Comprehensive device monitoring system architecture
InactiveCN106487585AQuick searchLabor savingData switching networksIntegrated monitoringFile transmission
The invention discloses comprehensive device monitoring system architecture. The comprehensive device monitoring system architecture comprises a data collection layer, a data processing layer and a data presentation layer; the data collection layer comprises a data collection engine and a data collection script and monitors the automatic generation of a configuration file; the data processing layer comprises a CMDB library data processing module, a business engine, a data collection engine monitoring configuration file transmission module, a collected transmission module of a data collection engine and a business engine and an analyzing and processing module of alarm data; the comprehensive device monitoring system architecture disclosed by the invention has a large alarm data size, thereby requiring a good alarm collection processing means to ensure the instantaneity; as the definitions of alarm fields of different industries and manufacturers are different, a large amount of works are required to trim the alarms; a flat management structure collectively processes the alarms in the industries on the basis of standardization of the alarms, thereby requiring an extract alarm association and preprocessing rule; and the incidence relation among the alarms, the IT resources and business is confirmed, and a model of alarm influence analysis is established.
Owner:深圳市思博创科技有限公司
System log processing method and platform
ActiveCN104144071AComprehensive filteringPrecise filterData switching networksDevice typeEmbedded system
The invention discloses a system log processing method and platform. The system log processing method includes the steps of having access to equipment generating system logs, collecting the system logs from the equipment, carrying out matching between the formats of the collected system logs and an appointed equipment template, determining corresponding equipment types of the system logs, filtering the system logs through an appointed key word template according to the equipment types of the system logs, sending a filtering result to a server side, and carrying out alarm processing on the system logs by the server side.
Owner:BEIJING FEINNO COMM TECH
Storage capacity predication method and storage capacity predication system
InactiveCN103903069AAccurate predictionImprove resource utilizationForecastingFailure rateSystems management
The invention relates to a storage capacity predication method which comprises the following steps that S1, a formulary to be selected is acquired; S2, an original data sample is acquired; S3, a data sample is acquired; S4, the data sample is divided; S5, a training set is divided; S6, a predictor formula is selected; S7, parameter solving is carried out on the predictor formula; S8, predication is carried out through the predictor formula. The invention further discloses a storage capacity predication system which comprises a system management module, a storage resource real-time monitoring module, a storage data processing module, a predication model study module and a future trend predication module. According to the technical scheme, the storage capacity of IT resources can be accurately predicated, and therefore the resource utilization rate is improved, the failure rate is reduced, and operation and maintenance quality is improved.
Owner:GUANGDONG POWER GRID CO LTD INFORMATION CENT +1
System and method for monitoring whole process of customer electricity purchasing service
ActiveCN110223146AReduce daily inspectionsEasy to grasp in real timeCustomer relationshipBuying/selling/leasing transactionsInternal memorySummary data
The invention discloses a system and a method for monitoring the whole process of customer power purchase service. A bypass integrated payment access management platform system proxy server, a prepayment electricity selling system proxy server, a marketing business application system proxy server and an electricity consumption information acquisition system proxy server are built; each proxy server is responsible for detecting system interfaces, logs and database data; the data is analyzed according to the service logic and summarizing the data; an internal memory database technology is used for storing the analysis summary data in a client power purchase whole-process monitoring large number server (D3BASE) in real time, whether a system gives an alarm or not and the alarm influence service range are judged according to the content of an alarm threshold value, an abnormal label library and the like preset in advance, and a WEB application page and a short message interface are provided for a client to be displayed.
Owner:STATE GRID BEIJING ELECTRIC POWER +1
Distributed system fault source diagnosis method
InactiveCN110134539AImprove the quality of operation and maintenanceReduce human errorNon-redundant fault processingCall graphDiagnosis methods
The invention discloses a distributed system fault source diagnosis method. The method comprises the following steps: constructing a call graph of a distributed system; and based on the call graph, searching the fault source. According to the method, the abnormal propagation graph is automatically constructed, and the process of manually searching the abnormal root is simulated through the randomwalk algorithm, so that the human error is reduced, the operation and maintenance troubleshooting time is shortened, the fault solving efficiency is improved, and the online overall operation and maintenance quality is improved.
Owner:极智(上海)企业管理咨询有限公司
Implement method of knowledge base on operation and maintenance management
InactiveCN104008107AImprove efficiencyQuality improvementSpecial data processing applicationsInput/outputChinese word
The invention provides an implement method of a knowledge base on operation and maintenance management. The method includes the following steps that (1) self-defined knowledge base management process standards are set in a knowledge base management system; (2) work orders to be managed are submitted to the knowledge base management system; (3) the knowledge base management system performs standard processing on records of the submitted work orders; (4) the knowledge base management system automatically dispatches the records to a knowledge base according to permission and self-defined processes; (5) a knowledge base manager examines and approves the records to be confirmed and puts the records in storage; (6) search indexes are established for the examined and stored records through Chinese words segmentation, and data base 'table-record-field' structures are used as input-output structures of a retrieval device. Thereby, entire qualities of knowledge base contents and logics thereof are improved, and the efficiency of work order conversion and knowledge repeated retrieval matching is increased.
Owner:勤智数码科技股份有限公司
Operation and maintenance process design method, device and apparatus, operation method, device and host
ActiveCN109189758AImprove design efficiencyImprove execution efficiencySoftware simulation/interpretation/emulationDatabase design/maintainanceDesign softwareEngineering
The present disclosure provides an operation and maintenance process design method, device and apparatus, an operation method and device and a host. The operation and maintenance process design methodis applied to the equipment running with the design software, the design software provides the connection node, and the step node provided by the design software has the function of connecting multiple connection nodes. In the design process of the process design diagram, if the configuration information of the current node is received, the configuration information of the current node is saved in the configuration file. If the process design drawing is completed, the process design drawing and configuration file are saved for the target host to execute the process corresponding to the process design drawing according to the configuration file. In the disclosed method, a step node can be connected with a plurality of connecting nodes, and a plurality of output results of the step node canbe judged logically through corresponding connecting nodes, and the process design diagram is more concise, and the design efficiency and the execution efficiency of the operation and maintenance process are improved, so that the operation and maintenance quality is improved.
Owner:NEW H3C TECH CO LTD
Remote testing apparatus for automatic grounding operation of residual current operated protective device
ActiveCN107271892AReduce volumeComplete data collectionCircuit interrupters testingProcess moduleData acquisition
Owner:STATE GRID ZHEJIANG DEQING COUNTY POWER SUPPLY CO LTD +2
Remote testing device of automatic grounding operation
ActiveCN104880666AReduce volumeComplete data collectionCircuit interrupters testingProcess moduleData acquisition
The invention discloses a remote testing device of automatic grounding operation. The testing device is used for automatically detecting operation characteristics of a residual current protective device, and comprises a data acquisition module, a data memory, a data processing module, a power supply module, a grounding module, and a GSM module, wherein the data acquisition module exchanges data with the residual current protective device; the power supply module provides a working power supply; the data memory are responsible for data storage; the data processing module controls the residual current protective device to detect the operation characteristics; the data processing module controls the grounding module to automatically adjust the corresponding grounding resistance; the data processing module controls the content of a message sent by GSM; and the GSM module sends the message according to processing judgment of the data processing module. The testing device is small in size, and has complete functions of data acquisition, intelligent judgment, and remote communication, and the correct rate of detecting the operation characteristics of the residual current protective device is improved.
Owner:STATE GRID CORP OF CHINA +2
Converter station multi-dimensional data analysis and monitoring system
ActiveCN112039075ARealize monitoringOptimize data analysis functionPower network operation systems integrationContigency dealing ac circuit arrangementsOriginal dataData acquisition
A converter station multi-dimensional data analysis and monitoring system disclosed by the invention comprises a data acquisition module, an IED module, a data analysis module and a monitoring module,wherein the data acquisition module comprises an original data acquisition unit and a newly added data acquisition unit, and the original data acquisition unit is used for acquiring the internal datastored by the original monitoring system in a station; the newly added data acquisition unit is used for acquiring external physical parameters of electrical primary equipment in a station, the IED module is used for receiving the external physical parameters, and the data analysis module is used for performing anomaly monitoring, anomaly analysis and fault prediction according to internal data and the external physical parameters. The external sensor is added to the key equipment in a targeted manner to obtain the external physical parameters, and analysis is carried out according to the internal data and the external physical parameters of the equipment, thereby achieving the comprehensive monitoring of the operation equipment data.
Owner:GUANGZHOU BUREAU CSG EHV POWER TRANSMISSION
Highway electromechanical operation and maintenance management system and method
InactiveCN108647905ARealize managementImprove the quality of operation and maintenanceResourcesApplication serverComputer module
The invention discloses a highway electromechanical operation and maintenance management system and method. The system comprises at least one user terminal used for sending out a fault signal and evaluation information; the system further comprises an application server and a storage unit; the storage unit is used for archiving fault information and fault data after overhaul; the system further comprises a repair module; the repair module is connected with a main port module and a dispatching module; the dispatching module is connected with a sign-in module; and the sign-in module is connectedwith an overhaul module and a confirmation module. The operation and maintenance quality is improved; businesses of high-frequency daily maintenance, fault repair and the like in operation and maintenance of a highway electromechanical system are managed; the current situation of low operation and maintenance level and efficiency due to dependency on manual and semi-manual modes at present is improved; the management of the whole electromechanical operation and maintenance business process is realized; the operation and maintenance are efficiently, accurately and timely carried out; and the management time and the economic loss are shortened and reduced.
Owner:江西锦路科技开发有限公司
Information resource service support system based on ITSS standard
InactiveCN105023083AImprove the quality of operation and maintenanceService Cost GuaranteeResourcesInformation technologyInformation resource
The invention provides an information resource service support system based on an ITSS standard. The information resource service support system is applied to an operation and maintenance service delivery system as well as an operation and maintenance service quality evaluating system such as e-government administration and enterprise IT systems. The design scheme of the information resource service support system is composed of an infrastructure layer, a management support layer, a service application layer and an access presentation layer, and regards an ''Information technology service quality evaluation index system'', an ''Information technology service general requirements'' and the like in the ITSS standard as standard support for the platform. The information resource service support system based on the ITSS standard has the obvious beneficial effects of: (1) a tool is provided for IT users and service providers to implement the ITSS standard, and convenience is brought to the users for implementing the ITSS standard; (2) the IT service process is standardized, the IT service quality can be effectively increased, and the IT service cost can be reduced; (3) data generated in the service process is regarded as original data of service evaluation subsystems, the evaluation results of service attitude and service quality of the service providers are ensured to be objective and true; (4) and an automated recording and analysis system can send out early warning before a fault occurs, thereby effectively reducing the IT service risks.
Owner:JIANGSU LANSWON TECH CO LTD
Embedded partial discharge online monitoring intelligent instrument based on pulse current method
PendingCN106872869AHigh sensitivityImprove reliabilityTesting circuitsSignal conditioning circuitsRadio frequency signal
The invention discloses an embedded partial discharge online monitoring intelligent instrument based on a pulse current method. A power circuit is used for power supply, and the intelligent instrument is connected to primary system power distribution equipment through a radio frequency signal line. The intelligent instrument comprises an impedance matching circuit for receiving a 100Hz-5MHz current signal collected by the radio frequency signal line, a signal conditioning circuit and a CPU circuit. A signal input end of the signal conditioning circuit is connected with the impedance matching circuit, and the CPU circuit is connected with a signal output end of the signal conditioning circuit. According to the invention, the state detection technology has the opportunity to give play to effects in improving the power supply reliability, optimizing a detection strategy, reducing the operation and maintenance cost, and prolonging the potential service life of the equipment.
Owner:吴笃贵 +1
Equipment parameter inheritance signal description correctness verification method
PendingCN111061920AImprove the quality of operation and maintenanceOther databases indexingOther databases queryingAlgorithmEngineering
The invention discloses an equipment parameter inheritance signal description correctness verification method, which comprises the following steps: S1, triggering automatic verification calculation regularly, and traversing from an equipment parameter table according to an equipment ID (Identity) from small to large sequence; s2, identifying the equipment parameter description in the equipment parameter table obtained in the step S1, and automatically identifying the equipment description; S3, retrieving the device ID in a system database, and identifying the description of the device ID to form a new device description; S4, comparing the new equipment description in the S3 with the equipment description in the S2, and if the new equipment description does not correspond to the equipment description in the S2, recording the equipment ID and the equipment description of the unmatched equipment inquired in the S3; and S5, listing and reporting the content and the inspection date recordedin the step S4. According to the invention, the computer is used for automatically acquiring modified equipment parameter information and content and automatically identifying and listing signal points which are possibly incorrect, so that a technical tool is provided for database parameter verification, and the operation and maintenance quality of an automatic system is improved.
Owner:GUANGDONG POWER GRID CO LTD +1
Client connection emergency management method, client and computer readable storage medium
ActiveCN110808943AImprove satisfactionImprove the quality of operation and maintenanceExecution for user interfacesSecuring communicationPasswordSoftware engineering
The invention discloses a client connection emergency management method, a client and a computer readable storage medium, and belongs to the technical field of cloud calculation application. The method comprises the following steps: starting emergency connection and verifying a local password corresponding to a user ID when authentication verification information feedback is overtime; after the local password of the user ID is successfully verified, querying desktop list information from a locally stored user information file according to the user ID; and displaying the desktop list information at a client, and linking a cloud desktop system by utilizing command parameters in the user information file. According to the technical scheme, under the condition that the management node of the cloud desktop system is abnormal and the calculation node is normal, the desktop virtual machine can be normally used, so that a user does not need to care about the complexity of the cloud desktop system, the satisfaction degree of the user is improved, and the situation that a large-scale user cannot use the desktop virtual machine is avoided; the downtime scene is reduced, and the operation andmaintenance quality of application products is improved.
Owner:ZTE CORP
Servo supervising system of ship management system
InactiveCN107590647AImprove the quality of operation and maintenanceRealize regulationOffice automationExecution unitComputer science
The invention provides a servo supervising system of a ship management system. The servo supervising system comprises a supervising module which comprises a receiving unit, an executing unit, an uploading unit and a downloading unit. The downloading unit is used for obtaining a task list from cloud and transmitting the task list to the receiving unit. The receiving unit is used for receiving the task list which is transmitted by the downloading unit. The executing unit is used for supervising the ship management system according to the task list, generates an event notification correspondinglywith the task in the task list, and transmits the event notification to the uploading unit. The uploading unit is used for transmitting the event notification to the cloud. The task list comprises astate servo task and an information servo task. The state servo task comprises a detecting target, a detecting period, a processing solution and detecting priority. The information servo task comprises hardware information and software information. The servo supervising system has advantages of realizing servo supervising on the ship management system, greatly reducing information system maintenance cost and improving operation quality.
Owner:DALIAN JUNFANG TECH
Low-friction micro optical cable suitable for air blowing and conduit wiring
ActiveCN105487186AReduce stiffnessReduce coefficient of frictionFibre mechanical structuresShortest distanceEngineering
The invention discloses a low-friction micro optical cable suitable for air blowing and conduit wiring, and relates to the technical field of communication optical cables. The low-friction micro optical cable comprises a cable core, an internal protective layer and a sheath which are arranged from inside to outside in turn. The internal protective layer wraps outside the cable core. The cable core comprises multiple optical fibers and a reinforcing member. The external surface of the sheath is provided with a low-friction coating layer. The low-friction micro optical cable suitable for air blowing and conduit wiring comprises the cable core composed of the reinforcing member and the optical cables, and the cable core is bound in the internal protective layer so that the cable core is enabled to have certain rigidity; and the external surface of the sheath is coated by a low-friction solution which is heated, cooled and cured at the external surface of the sheath to form the low-friction coating layer so that the surface of the optical cable is enabled to have low friction coefficient, air blowing performance of the optical cable in a pipeline is optimized and conduit wiring of the optical cable can also be performed in the short distance, and thus the construction procedure can be facilitated and simplified and cost and time can be saved.
Owner:FENGHUO COMM SCI & TECH CO LTD
Electric energy meter and surge counting method
InactiveCN109884357AAvoid power failureImprove the quality of operation and maintenanceFault locationTime integral measurementPower gridElectricity meter
The embodiment of the invention provides an electric energy meter and a surge counting method, and relates to the technical field of electric power detection. The electric energy meter comprises a sampling unit, a rectification and filtering unit, a comparison unit, a control unit and a warning unit, wherein the sampling unit, the rectification and filtering unit, the comparison unit, the controlunit and the warning unit are electrically connected in sequence; the rectification and filtering unit is used for carrying out full wave rectification and filtering processing on sampling voltage obtained by the sampling unit from a power grid to obtain processed voltage; the comparison unit is used for outputting a high level signal or a low level signal to the control unit according to a comparison result of the processed voltage and a preset voltage threshold value; and the control unit is used for updating surge frequencies when the surge happens according to the level signals, and givingan alarm through the warning unit electrically connected with the control unit when the updated surge frequencies exceed a surge frequency threshold value. By use of the electric energy meter, workers can be reminded of repairing and replacing the electric energy meter of which the surge frequency exceeds the standard so as to avoid electric energy meter power supply faults and the like, and power grid operation and maintenance quality is improved.
Owner:WAHLAP TECH CO LTD
Establishment method carrier Internet protocol operation and maintenance channel under asynchronous transmission mode
InactiveCN101106476AImprove maintainabilityFlexible configurationRadio/inductive link selection arrangementsData switching networksMaintainabilityIp address
The invention discloses an establishment method of IPOA operation maintenance channel. The base station establishes BOOTP PVC and sends out BOOTP request message in broadcast mode on the BOOTP PVC; RNC transfers the request message to BOOTP server, which allocates operation maintenance channel PVC and IP address according to preset deployment and sends to the base station by RNC; the base station establishes IPOA operation maintenance channel according to acquired operation maintenance channel PVC and IP address. The invention has the advantages of flexible deployment of operation maintenance channel PVC, simple operation, applicable to several types of NodeB, remote simultaneous start of NodeB, wireless network maintainability improvement, running maintenance cost reduction and running maintenance quality improvement.
Owner:POTEVIO INFORMATION TECH CO LTD
Anti-collision overhead conductor device, crane system and crane anti-collision overhead conductor method
PendingCN110759239AReduce risk of wire contactReduce line trip rateSafety gearData transmissionReal-time computing
The invention relates to an anti-collision overhead conductor device, a crane system and a crane anti-collision overhead conductor method. The anti-collision overhead conductor device comprises a scanning distance measuring module and a data display module. The scanning distance measuring module comprises a laser radar, a data processing part and a data transmission part connected in sequence; thelaser radar is used for scanning and measuring distribution conditions of objects in a range wound overhead conductors to generate data and transmitting the generated data to the data processing part; the data processing part is used for transmitting the processed data to the data transmission part after arrangement and calculation of the data; the data display module is in communication connection with the data transmission part; and the data transmission part is used for transmitting the collected data to the data display module. The anti-collision overhead conductor device, the crane system and the crane anti-collision overhead conductor method can reduce the conductor touch risk of the crane construction operation in fixed points, reduces the circuit trip-out rate, and improves the circuit operation and maintenance quality.
Owner:GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
Multi-core optical fiber composite carrier cable production device and production process
The invention relates to a multi-core optical fiber composite carrier cable production device which comprises an optical fiber pay-off rack, a stainless steel plate pay-off rack, a coating mechanism, a primary stranding mechanism, a secondary stranding mechanism and a pay-off rack, wherein the coating mechanism, the primary stranding mechanism, the secondary stranding mechanism and the pay-off rack are sequentially arranged from front to back, and the coating mechanism comprises a base. An insulating coating assembly, a coating assembly and an online welding assembly are sequentially arranged on the base from front to back. Stainless steel coating and two-wire twisting are successively carried out on the multi-core optical fiber, so that the strength of the optical fiber is improved, the problem that the optical fiber is easy to break when the current optical fiber carrier cable is subjected to high-strength mechanical external force is solved, the damage of the surrounding environment to the optical fiber can be prevented, real-time monitoring, real-time evaluation and real-time alarm of the carrier cable are realized, the operation and maintenance quality of a contact network system can be greatly improved, and even if an individual optical fiber is broken, the signal transmission of the whole multi-core optical fiber is not influenced.
Owner:JIANGYIN ELECTRICAL ALLOY
System log processing method and system log processing platform
ActiveCN104144071BComprehensive filteringPrecise filterData switching networksTemplate matchingDevice type
Owner:BEIJING FEINNO COMM TECH
System and method for monitoring the whole process of customer electricity purchase service
ActiveCN110223146BReduce daily inspectionsEasy to grasp in real timeCustomer relationshipBuying/selling/leasing transactionsIn-memory databaseWeb application
Owner:STATE GRID BEIJING ELECTRIC POWER +1
Transformer substation remote operation and maintenance system and operation and maintenance method
ActiveCN112261385ASolve optimization problemsAlleviate the problems caused by traffic congestionTelevision system detailsCircuit arrangementsTransformerControl engineering
The invention relates to a transformer substation remote operation and maintenance system and operation and maintenance method, and the system comprises: a camera device with a wireless communicationmodule which is used for photographing the condition of a transformer substation, remotely transmitting the condition information, photographed by the camera device, of the transformer substation to abackground control center, and receiving an operation and maintenance command from the background control center; a mobile terminal which is used for receiving an operation and maintenance command from the background control center, sending an operation and maintenance request and sending position information to the background control center in real time; and a background control center which isused for receiving the operation and maintenance request and the position information from the mobile terminal, receiving the transformer substation condition information from the camera device, making an operation and maintenance scheme and sending an operation and maintenance command to the mobile terminal and / or the camera device according to the operation and maintenance scheme. The most reasonable operation and maintenance scheme can be formulated according to the road condition information and the mobile positioning, so that the operation and maintenance efficiency is greatly improved.
Owner:SUWEN ELECTRIC ENERGY TECH
A low-friction miniature optical cable suitable for air delivery and pipe routing
ActiveCN105487186BReduce stiffnessReduce coefficient of frictionFibre mechanical structuresShortest distancePipe routing
Owner:FENGHUO COMM SCI & TECH CO LTD
A method for automatic detection of operating characteristics of residual current operating protector
ActiveCN104880626BImprove accuracyAvoid complainingCircuit interrupters testingElectrical resistance and conductanceReceiver operating characteristic
Owner:STATE GRID CORP OF CHINA +2
A processing method and system for resident jobs
ActiveCN110597668BGuaranteed uptimeResolve exceptionHardware monitoringRedundant operation error correctionReliability engineeringReal-time computing
Owner:BANK OF CHINA
Method for identifying remote RF unit in distributed base station and remove RF unit
ActiveCN100584062CGuaranteed correctnessReduce workloadRadio/inductive link selection arrangementsTransmission monitoringRadio unitMobile network operator
The invention relates to a method for marking remote radio unit in distributed base station, wherein it uses RRU to enter into maintain state; RRU controls panel instruction lamp to mark the remote ratio unit at maintain state; and the invention also discloses a relative remote radio unit. With said invention, RRU can quickly recognize the maintaining RRU, to improve network quality.
Owner:HUAWEI TECH CO LTD
Method, device and system for identifying equipment depositing position
InactiveCN102163303AImplement auto-discoveryImprove the quality of operation and maintenanceInstrumentsIdentification deviceEmbedded system
The invention provides a method for identifying an equipment depositing position. The method comprises the following steps of: acquiring the position information of the equipment depositing position, reporting the acquired position information to a central server, and writing the position information into a configuration management database by using the central server. Meanwhile, the invention also provides a device and a system for identifying the equipment depositing position. The equipment depositing position is automatically found, the accurate position information of equipment is acquired, the improvement on the operation and maintenance quality of the equipment such as the server and the like is facilitated, severe service accidents caused by error operation in the processes of restarting and removing the server and the like can be avoided, and the improvement on the planning quality of a machine room is also facilitated.
Owner:SHENZHEN TENCENT COMP SYST CO LTD
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