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41results about How to "Reduce the chance of impact" patented technology

Navigation equipment of unmanned vehicle

PendingCN110040074AReduce the chance of a vehicle crashMinor vehicle changes and damageVehicle componentsMarine engineeringMarine navigation
The invention provides navigation equipment of an unmanned vehicle, and relates to the technical field of unmanned driving / automatic driving. The navigation equipment comprises a radar assembly, a camera shooting assembly, a positioning and navigation assembly and a roof bearing device, wherein the radar assembly is used for detecting obstacles outside the vehicle, the camera shooting assembly isused for collecting image information outside the vehicle, and the positioning and navigation assembly is used for detecting the position, posture and speed of the vehicle; the radar assembly, the camera shooting assembly and the positioning and navigation assembly are all mounted on the roof bearing device, and the roof bearing device is detachably arranged at the top of the unmanned vehicle.
Owner:广州小马智行科技有限公司

Organic electroluminescent luminous display and manufacturing method thereof

The invention relates to an organic electroluminescent luminous display and a manufacturing method thereof. The display comprises ITO substrate glass, an organic material layer, a metal electrode and a seal cover, wherein a heat-conductive functional layer provided with lattice distributed holes is arranged on the ITO substrate glass; the organic material layer is arranged inside the lattice distributed holes of the heat-conductive functional layer; the metal electrode is arranged on the organic material layer and the heat-conductive functional layer; and the seal cover is arranged on the upmost position. The method comprises the following steps: firstly, preparing the heat-conductive functional layer provided with the lattice distributed holes on the ITO substrate glass; secondly, sequentially performing vapor deposition on the organic material layer and the strip metal electrode; and finally form the organic electroluminescent lighting display through packaging technology. The invention utilizes the heat-conductive functional layer to realize good and quick heat dissipation, and enables the display to have good heat dissipation function. The method reduces the influence probability of impurity particles on the display, and particularly has the performances of high efficiency, energy saving and environmental protection.
Owner:SHANGHAI UNIV

Method and device for wirelessly reading a meter

The invention relates to a method and a device for wirelessly reading a meter, in particular to a centralized type method and a device for unidirectionally and wirelessly reading a meter. The device comprises N slave stations, P main stations, K simulation front terminals and a management center; and each slave station consists of a remote transmission meter and a radio transmitter. The method comprises the following steps: performing direct sequence spread spectrum of data collected by the N slave stations according to preset pseudo-random codes; transmitting signals after spread spectrum anddigital modulation on M carrier frequencies; for the main stations, performing down conversion and digitalization of the received signals on the K carrier frequencies; and performing matching despread-spectrum of the digitalized signals one after another by using L pseudo-random codes adopted by the spread spectrum of the slave stations to demodulate out data sent by the slave stations. In the invention, spread spectrum is applied to the signal transmission of wireless meter reading, so that the signal to noise ratio is greatly improved, and better penetrability and transmission distance under slim transmission power can be obtained; the main stations can manage more than thousands of slave stations; the unidirectional communication greatly reduces the cost and power consumption of slavestation equipment of the wireless meter reading system; and with the invention, the centralized reading can be rapidly popularized and applied.
Owner:深圳市安普盛科技有限公司

Mobile terminal

ActiveCN105744018AReduce the chance of light leakageEliminate or nearly eliminate gapsTelephone set constructionsInput/output processes for data processingTouch panelPrinted circuit board
The embodiment of the invention provides a mobile terminal, which relates to the field of manufacturing of mobile terminals, and can reduce the probability of influence of contour tolerance and installation tolerance of a component during an installation process on the transmitting angle of a transmitting hole and the receiving angle of a receiving hole in an optical distance sensing chip. The mobile terminal comprises a touch panel and a printed circuit board, and further comprises a flexible circuit board, and an optical distance sensing chip fixed on one side of the touch panel facing the printed circuit board. The optical distance sensing chip is provided with a transmitting hole and a receiving hole, and the touch panel is provided with light-permeable structures at the positions corresponding to the transmitting hole and the receiving hole. The optical distance sensing chip is connected with the printed circuit board via the flexible circuit board.
Owner:QINGDAO HISENSE MOBILE COMM TECH CO LTD

Mower vehicle frame attitude adjusting device

The invention discloses a mower vehicle frame attitude adjusting device, and belongs to the ride type mower active safety technical field; the mower vehicle frame attitude adjusting device comprises gas springs, an air supply system and a control system; four gas springs are respectively arranged between a left front wheel, a left rear wheel, a right front wheel, a right rear wheel and the vehicle frame; an electronic control unit of the control system can keep a surge tank gas pressure to be in a given pressure scope according to differences between given values and actual measurement values of gas pressure, vehicle frame height and vehicle frame inclination angle, can control four height valves to inflate or deflate the gas springs so as to enable the vehicle frame to be in a proper height, thus adapting to vehicle frame ground clearance requirements. The mower vehicle frame attitude adjusting device can reduce vehicle frame height when working in a flat lawn, thus reducing center of gravity, and improving driving stability in high speed working; the mower vehicle frame attitude adjusting device can lift up the vehicle frame height when driving in an accidented lawn or in working, thus improving whole machine passing ability, and improving working safety.
Owner:JIANGSU UNIV OF SCI & TECH

Plate turnover device with internal protection function for tunnel construction

The invention discloses a plate turnover device with an internal protection function for tunnel construction, and belongs to the technical field of tunnel construction. The plate turnover device comprises a bottom box and a shell, wherein the upper surface of the bottom box is fixedly connected with the shell, a discharging port is formed in the left side surface of the shell, a pushing mechanism is arranged on the shell, an adjusting mechanism and a damping mechanism are arranged in the shell, and the damping mechanism and the adjusting mechanism are located on the lower side and the upper side of the pushing mechanism respectively. According to the plate turnover device, a turnover mechanism is arranged, a control motor works to drive a first threaded column to rotate, the first threaded column rotates to drive a first threaded cap to move, at the moment, two pressing plates drive two racks to move respectively, the racks move to drive a gear to rotate, a second threaded column rotates to be driven by a second threaded cap, the second threaded cap drives a clamping plate to move through an L-shaped rod, so that the clamping plate moves leftwards to extrude a plate, at the moment, the plate is fixed, and a worker can conveniently operate the plate.
Owner:温州轩扬机械有限公司

Plug-in vehicle battery busbar assembly

The present invention discloses a plug-in vehicle battery busbar assembly. The plug-in vehicle battery busbar assembly includes a round C-shaped busbar and one or two U-shaped elastic connectors. The round C-shaped busbar includes a straight section and an arc section. A section of an inner cavity of the arc section is C-shaped. The U-shaped elastic connector includes a straight section and a dome-shaped section. The dome-shaped section is connected with the bottom end of the straight section. The width of the straight section is slightly smaller than the width of the base of the dome-shaped section. The width of the straight section of the U-shaped elastic connector is equivalent to an opening width of the inner cavity of the straight section of the round C-shaped busbar. The U-shaped elastic connector is inserted into the inner cavity of the round C-shaped busbar, so that the straight section of the U-shaped elastic connector is tightly fitted with the inner cavity of the straight section of the round C-shaped busbar. The whole inner cavity of the round C-shaped busbar can be used for accommodating the connector, a plurality of connectors that are inserted in parallel are available, sufficient battery packs can be accommodated, the capacity of a single battery pack can be lowered, and the impact of a battery fault on a power system is lowered.
Owner:周榆淘

Collagen extraction tank

The invention aims at providing a collagen extraction tank capable of avoiding smashing of stirring blades during feed. The collagen extraction tank comprises a tank body, wherein a feed port is formed at the top of the tank body; a discharge port is formed at the bottom of the tank body; a stirring device is further arranged in the tank body; a feed slide plate extending into the tank body is arranged at the feed port and is in a grooved structure consisting of groove walls on the two sides and an oblique groove bottom at the bottom. During the feed, raw materials such as frozen fishskin andthe like are fed from the feed port and slide down along the feed slide plate; due to guide and limitation of the groove walls on the two sides, the raw materials can only fall off from a notch of thefeed slide plate, rather than other positions such as the two sides; and the smashing of the stirring blades when the raw materials fall can be avoided as long as the stirring blades of the stirringdevice are not located under the notch. Certainly, collagen extraction water is preferably injected into a tank body before the feed; the stirring blades are immersed in the collagen extraction water;the collagen extraction water generates a cushioning effect; and an impact force when the raw materials fall can be reduced.
Owner:GUANGDONG MINGYANG GELATIN CO LTD

Anti-collision alarm equipment of power transmission tower and anti-collision alarm method of power transmission tower

The invention discloses anti-collision alarm equipment of a power transmission tower and an anti-collision alarm method of the power transmission tower. The anti-collision alarm equipment comprises aninduction device, an alarm device and a power supply module. The induction device is used for detecting the distance between a vehicle passing through a power transmission tower and the power transmission tower; the alarm device is connected with the induction device and used for generating alarm information when the distance is smaller than a preset distance, and the alarm information is alarm information in a light form; and the power supply module is connected with the induction device and the alarm device and used for supplying power to the induction device and the alarm device. The technical problem that a power transmission tower is damaged due to the fact that a vehicle impacts the power transmission tower, and large losses are caused to an electric power company is solved.
Owner:HAIXI POWER SUPPLY COMPANY OF STATE GRID QINGHAI ELECTRIC POWER +2

Novel lamp-contained motorcycle handle

A novel lamp-contained motorcycle handle is provided. Each motorcycle handle (3) is connected with an indicating lamp (4) via a connection member (5); two lamp members (7) are disposed in each indicating lamp (4); the lamp members (7) are connected with a circuit joint (6) via each connection member (5); and a motorcycle lamp protective glass (8) is arranged right in front of each lamp member (7). With the indicating lamp to each motorcycle handle, the motorcycle can be viewed by drivers of other vehicles parallel to or close to the motorcycle at night or during the parking process, so possibility that the motorcycle is crashed by beside vehicles can be reduced and driving safety of motorcycle drivers can be improved.
Owner:CHONGQING QIJIANG DISTRICT CANGNAN MOTORCYCLE CO LTD

Environmental-friendly picking device for tea leaves

The invention relates to the technical field of processing of tea leaves, and discloses an environmental-friendly picking device for tea leaves. The environmental-friendly picking device for tea leaves comprises a main frame and an auxiliary frame fixed to the main frame, wherein a baffle is in vertical sliding connection to the lower part of the main frame; a first connecting piece is in verticalsliding connection to one side of the main frame; a guide plate in vertical sliding connection to the first connecting piece is fixed to the main frame; a plurality of fixing holes are formed in theguide plate; the spacings between every two fixing holes are the same, a connecting hole is formed in the first connecting piece, and a locking shaft is in dismountable connection to the inner part ofthe connecting hole; and a driving part is fixed in the auxiliary frame, a power piece driving a cutting piece to rotate is in vertical sliding connection to the inner part of the auxiliary frame, asecond connecting piece is in vertical sliding connection to the other side of the main frame, two ends of the second connecting piece are respectively and rotatably connected with the baffle and thecutting piece, an output shaft of the driving piece is hinged to the second connecting piece, and an accumulator battery is electrically connected to the power piece. The environmental-friendly picking device is simple in structure, and convenient for picking of tea leaves of different heights.
Owner:竹溪贡茶茶业有限公司

Anti-interference television receiver

The invention provides an anti-interference television receiver. The device structurally comprises an anti-interference expanding device, a television data box, a support frame, a base and a display screen. The back of the anti-interference expanding device is hinged with the top end of the base. The bottom end of the television data box is welded with the support frame. The display screen is installed in the middle of the front end face of the television data box in an embedded mode. According to the anti-interference television receiver, the chassis can be pulled outwards and pushed inwards,unfolding states of different degrees are formed for the anti-interference multi-stacking disc, multi-angle support is formed for the anti-interference multi-stacking disc through the vertical support extension strips. The anti-interference multi-stacking disc is completely unfolded in a two-section manner. The metal blocks are arranged on the inner ring of each layer of ring to form a shape witha layered bowl body, so that the receivers can be hidden inside, the impact probability of the receivers can be reduced, and the metal blocks arranged on the inner ring of each layer of ring can forma metal bowl body network to enhance signal capture of the internal receivers and weaken external interference at the same time.
Owner:泉州天地星电子有限公司

Electric vehicle front wall combination

The invention discloses an electric vehicle front wall combination and relates to the technical field of electric vehicle assemblies. The electric vehicle front wall combination comprises an electricvehicle front protection plate, an upper anti-collision column is fixed to the upper end of one side of the outer portion of the electric vehicle front protection plate through threads, a lower anti-collision column is fixedly installed in the middle of one side of the outer portion of the electric vehicle front protection plate through threads, and a lampshade is installed on the same side of theouter portion of the electric vehicle front protection plate in a clamped mode. Through the lampshade, the upper anti-collision column and the lower anti-collision column, the overall body is more attractive; due to the fact that the upper anti-collision column and the lower anti-collision column are higher than the lampshade, the probability that the lampshade is impacted is reduced; and by means of the water blocking cloth at the lower end of the lower anti-collision column, the probability that sewage passing through the road surface splashes to the water blocking cloth is reduced; by setting alight-emitting device, the forward light is used to illuminate the forward direction, and the lighting capacity is enhanced through the reflective tape; and early warning is conducted when a userturns left and right by installing a left lamp and a right lamp, and the forward lamp, the left lamp and the right lamp are attractive in installation and convenient to maintain.
Owner:无锡铃派科技有限公司

Method and device for wirelessly reading a meter

The invention relates to a method and a device for wirelessly reading a meter, in particular to a centralized type method and a device for unidirectionally and wirelessly reading a meter. The device comprises N slave stations, P main stations, K simulation front terminals and a management center; and each slave station consists of a remote transmission meter and a radio transmitter. The method comprises the following steps: performing direct sequence spread spectrum of data collected by the N slave stations according to preset pseudo-random codes; transmitting signals after spread spectrum and digital modulation on M carrier frequencies; for the main stations, performing down conversion and digitalization of the received signals on the K carrier frequencies; and performing matching despread-spectrum of the digitalized signals one after another by using L pseudo-random codes adopted by the spread spectrum of the slave stations to demodulate out data sent by the slave stations. In the invention, spread spectrum is applied to the signal transmission of wireless meter reading, so that the signal to noise ratio is greatly improved, and better penetrability and transmission distance under slim transmission power can be obtained; the main stations can manage more than thousands of slave stations; the unidirectional communication greatly reduces the cost and power consumption of slavestation equipment of the wireless meter reading system; and with the invention, the centralized reading can be rapidly popularized and applied.
Owner:深圳市安普盛科技有限公司

Cloth cutting method for garment manufacturing

The invention discloses a cloth cutting method for garment manufacturing. The cloth cutting method comprises a cutting table, a control device, a cutting device, a first conveying mechanism and a second conveying mechanism, wherein the first conveying mechanism and the second conveying mechanism are both arranged on the cutting table; a gap is formed between the first conveying mechanism and the second conveying mechanism; a first connecting plate and a second connecting plate are respectively arranged at the two ends of the gap; a first electric guide rail and a first electric push rod are arranged on the inner side of the first connecting plate; an incremental encoder is arranged on a slider of the first electric guide rail; a rotating shaft of the incremental encoder is connected with ameasuring wheel; the control device is located on the outer side of the first connecting plate; the two ends of the first electric push rod are fixedly connected with the first connecting plate and the cutting table correspondingly; the second connecting plate is arranged in an L shape; a second electric push rod is arranged on the second connecting plate; and a pressing plate is arranged at thetail end of the second electric push rod. The cloth cutting machine for garment manufacturing is good in safety.
Owner:IANGSU COLLEGE OF ENG & TECH

Fish finder data identification processing method and equipment thereof

The invention provides a fish finder data identification processing method and equipment thereof, and is applied to the technical field of data detection. The preset level center is set as a horizontal position, a preset image detector is used for obtaining fish school activity image data in the horizontal position, and a preset sonar is used for detecting activity sound wave data of a fish school in the horizontal position; a special data transmission channel is established as a first data transmission channel, and the image data are synchronized to a fish finder through the first data transmission channel; a special data transmission channel is established as a second data transmission channel, and the sound wave data are coordinated to the fish finder through the second data transmission channel; the image data and the sound wave data are acquired, and adaptation processing is performed on the image data and the sound wave data to obtain data after identification processing is completed. By processing the data detected by the fish finder, the probability of misreading of the fish finder caused by mutual interference of radio frequency information and sonar echoes is effectively reduced.
Owner:SHIFENGDA TECH (SHENZHEN) CO LTD

Lumbar vertebrae postoperative traction device

The invention discloses a lumbar vertebrae postoperative traction device. The lumbar vertebrae postoperative traction device comprises a waist fixing belt, a chest fixing belt and a connecting rod, wherein a fixing device is arranged on each of the waist fixing belt and the chest fixing belt; a guide rail is arranged on a side face of the connecting rod; a first slider and a second slider are mounted on the guide rail; the first slider is connected with the waist fixing belt through a bolt; the second slider is connected with the chest fixing belt through a bolt; a screw rod is arranged in theguide rail; connecting sheets are arranged at two ends of the screw rod; the connecting sheets are in thread connection with the screw rod; the connecting sheets are fixedly connected with the guiderail; the screw rod is suspended in the guide rail through the connecting sheets; thread holes and perforated holes matched with the screw rod are formed in the first slider and the second slider; theperforated holes are in clearance fit with the screw rod; the screw rod penetrates through the perforated holes; the thread holes and the perforated holes are distributed in a concentric circle manner; the screw rod is provided with a screw rod sleeve. The lumbar vertebrae postoperative traction device is convenient to carry.
Owner:常州朝旭企业服务有限公司

Novel motorcycle

A novel motorcycle is provided and comprises a headstock (1), a motorcycle body (2) and motorcycle handles (3). Each motorcycle handle (3) is connected with an indicating lamp (4) via a connection member (5); two lamp members (7) are disposed in each indicating lamp (4); the lamp members (7) are connected with a circuit joint (6) via each connection member (5); and a motorcycle lamp protective glass (8) is arranged right in front of each lamp member (7). With the indicating lamp to each motorcycle handle, the motorcycle can be viewed by drivers of other vehicles parallel to or close to the motorcycle at night or during the parking process, so possibility that the motorcycle is crashed by beside vehicles can be reduced and driving safety of motorcycle drivers can be improved.
Owner:CHONGQING QIJIANG DISTRICT CANGNAN MOTORCYCLE CO LTD

Integrated intelligent respirator backplane device and data acquisition method

The invention provides an integrated intelligent respirator backplane device and a data acquisition method, wherein the integrated intelligent respirator backplane device comprises a back plate, a main control module, a power supply module and an extension module, the main control module and the power supply module are arranged on the backplane, the power supply module is connected to the main control module, the backplane is equipped with a pipeline, which is connected with the pressure reducing valve of the cylinder; the main control module includes a processor, a pressure sensor unit, a state sensor module, a Bluetooth module and a alarm buzzer, wherein the pressure sensor unit, the state sensor module, the Bluetooth module and the alarm buzzer are connected to the processor respectively. The integrated intelligent respirator backplane device and the data acquisition method integrate the individual pressure sensor device and the personal safety device that need to be equipped separately in the past into a backboard, which has a large expandable space, carries easily, reduces the probability of the module being hit in a complex environment, and greatly facilitated the use of rescue workers.
Owner:NANJING YAOZE ELECTRONICS TECH

Postoperative rehabilitation training device for intestinal tumor patient

InactiveCN114768210AGuarantee the effect of rehabilitation trainingSlow bowel functionGymnastic exercisingTherapeutic coolingSphincterMechanical engineering
The invention discloses a postoperative rehabilitation training device for intestinal tumor patients, which comprises a training bed board, a perineum stimulation module and a protection module, the perineum stimulation module comprises a stimulation wearing assembly and a mode switching base, and the protection module comprises a hip falling protection base and a protection base plate. The inner side of the mode switching base is provided with a pipeline lifting assembly and a pelvic cavity drainage tube lifting assembly which are relatively fixed, the inner side of the pelvic cavity drainage tube lifting assembly is provided with a pelvic cavity drainage tube contraction assembly, the inner side of the stimulation wearing assembly is provided with a stimulation head assembly, and the bottom end of the stimulation head assembly is connected with a double-row stimulation pipeline. According to the device, the contraction stimulation of the outside to the anal sphincter of a patient is enhanced, the situation that the patient directly urinates due to the poor defecation control ability of the patient, and consequently the perineum muscle is relaxed is avoided, and the rehabilitation training effect of the patient is guaranteed.
Owner:HENAN CANCER HOSPITAL

Multi-specific single chain antibody and application thereof

The invention relates to a multispecific single-chain antibody and application thereof, the multispecific single-chain antibody sequentially comprises a signal peptide, a variable region sequence of a first antibody, a first connecting peptide and a variable region sequence of a second antibody from an N terminal to a C terminal, and does not comprise constant region sequences of the first antibody and the second antibody; the first antibody and the second antibody can be respectively and specifically combined with two surface marker antigens of T cells, the variable region sequence comprises a light chain variable region sequence and a heavy chain variable region sequence, and the light chain variable region sequence and the heavy chain variable region sequence are connected through a second connecting peptide. The multispecific single-chain antibody can effectively adsorb and separate T cells from whole blood, the separation step of the T cells is simplified, the damage to the T cells is reduced, the operation error risk and the equipment requirement caused by multi-step operation are reduced, and the probability of cross contamination and influence among different samples in T cell immunotherapy can be reduced.
Owner:广州长峰生物技术有限公司

Cloth cutting machine for garment manufacturing and cutting method thereof

The invention discloses a cloth cutting machine for clothing manufacturing, which includes a cutting table, a control device, a cutting device, a first conveying mechanism and a second conveying mechanism, and the first conveying mechanism and the second conveying mechanism are both installed on the cutting table. A gap is formed between the first conveying mechanism and the second conveying mechanism, the two ends of the gap are respectively provided with a first connecting plate and a second connecting plate, and the inside of the first connecting plate is provided with a first electric guide rail and a second connecting plate. An electric push rod, an incremental encoder is installed on the slider of the first electric guide rail, the rotating shaft of the incremental encoder is connected with a measuring wheel, the control device is located on the outside of the first connecting plate, the second Two ends of an electric push rod are respectively fixedly connected with the first connecting plate and the cutting table, the second connecting plate is arranged in an L shape, and a second electric push rod is installed on the second connecting plate, and the second electric push rod A pressing plate is arranged at the end of the rod; the cloth cutting machine for garment manufacturing has good safety.
Owner:IANGSU COLLEGE OF ENG & TECH

Novel motorcycle handle

A novel motorcycle handle is provided. Each motorcycle handle (3) is connected with an indicating lamp (4) via a connection member (5); two lamp members (7) are disposed in each indicating lamp (4); the lamp members (7) are connected with a circuit joint (6) via each connection member (5); and a motorcycle lamp protective glass (8) is arranged right in front of each lamp member (7). With the indicating lamp to each motorcycle handle, the motorcycle can be viewed by drivers of other vehicles parallel to or close to the motorcycle at night or during the parking process, so possibility that the motorcycle is crashed by beside vehicles can be reduced and driving safety of motorcycle drivers can be improved.
Owner:CHONGQING QIJIANG DISTRICT CANGNAN MOTORCYCLE CO LTD

A detection device for capacitive liquid level sensor

The invention discloses a detection device for a capacitive liquid level sensor, specifically relates to the technical field of capacitive sensor detection, comprising a protective box and a supporting plate, the lower surface of the inner wall of the protective box is fixedly connected to the lower surface of a first box body , the lower surface of the inner wall of the protective box is fixedly connected with the lower surface of the inner wall of the second box. The present invention simulates the detection conditions in the case of large shaking by setting the first driving assembly, cam assembly, slide bar, toggle plate, second driving assembly, extrusion wheel, knocking rod and protective box, and at the same time the second driving assembly drives The squeeze wheel rotates to squeeze the moving plate, and then the third elastic component drives the knock rod to knock and vibrate the second box, simulating the testing conditions under vibration, and checking whether the testing results are consistent with the actual amount of liquid added. Consistent, the device can be used to simulate detection situations in various environments, and it is convenient to judge the influencing factors of the detection results and the detection accuracy and stability of the sensor itself.
Owner:武汉熠微科技有限公司

Light-contained handle

A light-contained handle comprises a motorcycle head (1), a motorcycle body (2) and motorcycle handles (3). Each motorcycle handle (3) is connected with an indicating lamp (4) via a connection member (5); two lamp members (7) are disposed in each indicating lamp (4); the lamp members (7) is connected with a circuit joint (6) via each connection member (5); and a motorcycle lamp protection glass (8) is arranged right in front of the lamp members (7). With the addition of the indicating lamp to the motorcycle handles, the motorcycle can be easily viewed by drivers of other vehicles parallel to the motorcycle or close to the motorcycle during the driving or parking at night, so possibility that the motorcycle is crashed by motorcycles besides can be reduced and motorcycle driving safety can be enhanced.
Owner:CHONGQING QIJIANG DISTRICT CANGNAN MOTORCYCLE CO LTD
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