Power system The wire and cable products used in the power system mainly include overhead bare wires, busbars (busbars), power cables (plastic cables, oil-paper power cables (basically replaced by plastic power cables), rubber cables, overhead insulated cables), branch cables (replacing part of the busbars), electromagnetic wires and electrical equipment wires and cables for power equipment. Information transmission systems The wires and cables used in the information transmission system mainly include local telephone cables, TELEVISION cables, electronic cables, RF cables, optical fiber cables, data cables, electromagnetic wires, power communications or other composite cables. Mechanical instrumentation system This part has applications for almost all other products except overhead bare wires, but mainly power cables, electromagnetic wires, data cables, instrumentation cables, etc