According to the requirements of customers, the corporation can produce ADSS(GYFSTCY) all non-metal self-supporting cable, whose number of fibre up to 2-144 fibre,and cross distance is up to 100-1000m mechanical strength is enough,installation and secure operation are ensured in long cross distance. Using life is up to 25 years, operation temperatrue of optical fibre cable up to -40ºC-70ºCOptical characteristic is stable at extreme temperature, appllies to long distance and local area telecommunication in strong electric field.