Hengshui Kaiyuan Petroleum Machinery Co., Ltd. formerly Hebei Shengdi Petroleum Machinery Co., Ltd. is a manufacturing enterprise specializing in the research, production, and sales of petroleum accessories, unions, fittings, and drilling and production equipment parts. Located in Jingzhou, a hub for China's rubber and plastic pipe industry, in southeastern Hebei Province, the company enjoys convenient transportation, bordering National Highway 104 and the Beijing-Shanghai Railway to the east and the Shide Expressway to the south. It is 180 kilometers from Huanghua Port and 120 kilometers from Jinan Airport.