We are Yancheng hengjian petroleum machinery manufacturing Co .Ltd .the professional manufacturer of oilfield drilling parts, .Our products strictly implement the ISO 9001:2000 Management System and API 7K&ASY 5138 Standard. main products as follows:Product classification products 1.Mud pump & Mud pump parts valve extractor, valve spring, valve extractor assembly, safety valve assembly, spray pump, flanges, ceramic liner, Bi-metal liner, piston rod, piston rod clamp, pulsation dampener, discharge manifold, module, etc. 2.Swivel pipe packing assembly circlip, washing pipe, packing etc. 3.Valves mud gate valve, American standard valve, expansion valve, F C valve, check valve, valve assembly, manifold etc. 4.Hydraulic power tongs & tong dies hydraulic power tong dies, rotary slips. and our special service according to the customer?s order, we can processing all kind of tong dies. 5.Unions & Pulley high pressure unions& all drilling accessories and ground pulley. At present we have 15 years experience as a manufacturer, we can supply you best quality with more favorable price.It is our greatest honor to be your happy purchase, we are waiting for you!webside : www.688hj.en.alibaba.comPhone No: 008651586155333Fax No: 008651586155333Tel : 008615151067559 / 008615358238887
