综述:This series consist of plastic-sheathed signal cable, composite-sheathed signal cable, aluminum sheathed signal cable and kinds of railway signal cable of termite proof, which carry out the standard TB/T2476-1993 of railway industry. Termite-proof railway signal cable carries out the corporation standard of Q/320481LL021-2000. It not only has good mechanical performance, but also can resist termite and mice. It can be used in the tropical and semi-tropical areas where have many termites.