Cangzhou chengming internation trade Co., Ltd (hereinafter said chengming) is a wholly owned subsidiary of dingsheng steel pipe Co., Ltd., with the status of an independent legal entity. Chengming specializes in import and export of various commodities and technology by self running or as agent. Which include pipes, fittings, flanges, couplers, mechanical equipment; Counter trade and entrepot trade, domestic sales of imported merchandise; Labor services abroad and contracting projects abroad.

Agency of baosteel, sgnec, tpco seamless steel pipe chengming is responsible for the importation of large quantities of raw material, equipments, ancillary material and spare parts for dingsheng pipe and overseas sales of pipes and other products. The principal products for export are: Octg, line pipes. Boiler tube, cylinder pipe, hydraulic support pipe, structural pipe, welded pipe, fittings, valves; Ect.