Conductor Bar System, Busbar Trunking System, Seamless Conductor Rail manufacturer / supplier in China, offering Aluminum Alloy Electric Multipole Enclosed Busbar Conductor Rail Hoist 80 AMP, Fast Delivery 4poles 100A Enclosed Conductor Rail / Busbar for Crane, Good Quality 60A-400A Copper Conductor Rail & Galvanized Steel Busbar for Crane and so on.