Rongsheng Machinery Manufacture Ltd. of Huabei Oilfield, Hebei

Rongsheng Machinery Manufacture Ltd. of Huabei Oilfield, Hebei, which was found in 1976, has become a comprehensive petroleum machinery manufacturer integrating product research, development and manufacturing, equipment integration and supporting, and engineering services. It is the world's leading manufacturer of land BOP in production and sales, and A class supplier of CNPC drilling and workover BOP. The company's main products and businesses include: Land BOP and well control equipment, offshore platforms and subsea well control equipment, mud pumps and pumping units, wellhead equipment and Christmas tree, slant rig's manufacturing and engineering services, snubbing unit, choke and kill manifolds, pumping units and tubing. The products are widely used in domestic oil and gas fields and exported to more than 50 countries worldwide.