Conductor Bar System, Busbar Trunking System, Seamless Conductor Rail manufacturer / supplier in China, offering Top Selling 4poles 80A Enclosed Conductor Bar System for Overhead Cranes, Hot Sale 25A/40A Lighting Bus Duct Copper Lighting Busbar System, Customized Mica Insulation Heat Element Mica Sheet/Mica Paper/Mica Pipe for Sale and so on.