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the production and service process of communication optical fiber cable(indoor and outdoor),communication cable,single mode optical fiber,flame-retardant flexible cable for communication power,optical-electrical hybrid cable,50Ωradio frequency coaxial jumper,50Ωradio frequency coaxial connector,the design、production and servicing process of railway digital signal cable and through-railway ground wire,Environmental Management Activities and places concerning of the Design,manufacture and service process of Communication corollary equipments (FOC splice box, FOC distribution box, FOC splice closure, fiber distribution frame,outer cabinet for communication system, Comprehensive distribution case for Broadband Access, FOC termination box, Comprehensive pallet for communication equipment, Digital distribution frame, Data equipment network cabinets), Optical Passive Devices (optical splitter, Optical fiber packaged connector, On-site packaged optical fiber connector, Pre-terminated drop cable component), electric current change equipment for normal industrial use (low-voltage switchgear, AC & DC power-supply distribution cabinet), Other structure body or component (chamfer) of Iron, steel or Aluminum except prefabricated house and multimedia communication terminal equipment (IPTVSTB) |
