The invention relates to a salt
corrosion-resistant and torsion-resistant telecommunication cable for
offshore wind power and a manufacturing method of the telecommunication cable. Salt
corrosion-resistant and torsion-resistant rubber insulating
layers are uniformly extruded on the peripheries of stranded
copper conductors in a wrapping way to form insulated wire cores; the insulated wire cores are stranded in pair to form pair-twist wire pairs; gaps of the pair-twist wire pairs are filled with
flame-retardant non-absorbent
fiber fillers; pair-twist wire pairs adopt different stranding pitches, a plurality of groups of pair-twist wire pairs are stranded to form a cable core; the periphery of the cable core is coated with a low-intensity non-
woven fabric longitudinally-covered layer; and a jacket is extruded on the periphery of the low-intensity non-
woven fabric longitudinally-covered layer in a wrapping way. The telecommunication cable disclosed by the invention adopts the low-intensity non-
woven fabric longitudinally-covered layer of which the shape is completely in fit with that of each insulated wire core, so that gaps between the low-intensity non-woven fabric longitudinally-covered layer and the insulated wire cores are eliminated,
flame can be conveniently prevented from being spread and transferred inwards under the burning condition, and resistance to impregnation of
humidity can be enhanced; and meanwhile, the low-intensity non-woven fabric longitudinally-covered layer can ensure that the jacket and the insulated wire cores are not adhered, so that the insulated wire cores are not damaged when the jacket is stripped during construction.