Copper-magnesium trolley contact line is high speed electrified railway transport ideal transmission wires. The company mainly produces: copper-magnesium alloy wire (catenary), dropper line, copper-silver alloy contact wire, copper tin alloy contact wire, copper -magnesium alloy contact wire, hanging erecting, copper alloy contact wire, soft copper wire, cable, copper tiles and water cooling, we produce and supply of electrified railway special products , the specification is complete.