Hebei Xingdong PIpeline Co.,LTD-Steel Pipe, steel, seamless steel pipe, spiral steel pipe, petroleum steel pipe, coil pipe, heat expansion pipe, insulation pipe, anticorrosion pipe, wear pipe, plastic lining pipe, support hanger, compensator, concrete pump pipe, conveyor and accessories, anticorrosion and insulation materials, valves, pipe fittings, flanges, pipeline engineering installation and construction, sales of safety nets, fire equipment, wire and cable, hardware accessories, pipes, profiles, metal materials, pressure vessels