Haicheng Petroleum Machinery Manufacture Co., Ltd (HPMM) was established in 1986. It is a large enterprise that produces oil drilling equipment in China. As such, it is a first tier network supplier of oil drilling equipment to both CNPC & SINOPEC and one of the 50 top enterprises in the field of the drilling equipment industry. With a registered capital of 90 million RMB, its total area comprises 750, 000 m2. It has a building area of 220, 000 m2 and a staff of 1, 200 personnel. 60% of these personnel are senior mechanical specialists.