(HENGSHENG GROUP) Dongying City Hengsheng Petrochemical Machinery Co., Ltd. was founded in 1991, is the enterprise of petroleum machinery manufacturers, national high-tech professional, is a supply network members in the oil, Sinopec, CNPC, supplies and Equipment Corporation, China Petroleum and Petrochemical Equipment Industry Association member units..

Company's main products are oil ( gas ) wellhead, choke and kill manifolds, BOP systems, high, media, low pressure valves and casting, forging parts, wherein, " oil ( gas ) wellhead device ", " valves " was identified as the famous brand products in Shandong Province, " ZiHeng " brand trademark was identified as a Shandong and Jiangsu famous trademark. In addition, the company produced 105MPa\/140MPa flat gate valve, check valve, throttle valve, casing head, Christmas tree wellhead, choke and kill manifolds and other products have passed the national quality supervision and inspection center of the oil-gas field wellhead equipment test pressure piping components manufacturing license type and review, and obtained a national special equipment ( TS ) production license.

Our company has the domestic industry with first-class production scale, equipment support ability and professional ability of detection. Companies registered capital of 16 million dollar, the existing 45 million dollar in fixed assets, covers a total area of 135,000 square meters, total construction area of 60,000 square meters, finishing and assembly and test workshop 16,000 square meters use air conditioning thermostat. The company has all kinds of professional production equipment more than 250 units / sets, of which, including import 16 sets of the world's top seven station DOOSAN five axis linkage flexible machining center in Korean, 55 sets of high-end CNC machine tools, machining can complete a variety of complex, high precision; with 18 sets of automatic heat treatment equipment, including special anti-corrosion materials automatic submerged arc welding machine, welding machine, imported automatic valve wall wire TIG welding system and supersonic thermal spraying device industry high-end equipment. The company has a full set of inspection qualification, testing equipment and personnel, including imports of spectrum analyzer, metallographic analyzer, magnetic particle testing machine, X ray flaw detection machine, ultrasonic testing machine, PR2 high low temperature test box, hang various load testing machine, universal testing machine, low temperature impact test machine, notch broaching machines, high precision three coordinates measuring instrument and measuring instrument, instrument, hardness tester, measuring gauges, pressure water \ / seal test device and other equipment more than 120 units / sets, can satisfy the test product mechanical properties and chemical composition of need.

Our company has passed the ISO-9001 quality management system certification, ISO-14001 environmental management system certification, H. S.E. ( health, safety, environmental protection ) system authentication and the API ( American Petroleum Institute ) Q1 quality system certification, obtained the API-6A, 6D, 16A, 16C and other products range will use rights. Within the company, products from raw materials into the factory to the forging, heat treatment, machining, assembly, testing, packaging, to the factory, are affected by the process inspection and control strictly, every production process in a controlled state.