Shijiazhuang Dongli Petroleum Machinery Co., Ltd is a large mud pump Fluid End Expendables, Power End Parts, Drilling Tools and Mud Pump Manufacturer in China, Engaged in production, processing and sales. Based in Shijiazhuang of Hebei province, Dongli enjoys convenient transport. Dongli Petroleum Machinery Co., Ltd is specialized in production mud pump liners, modules, pistons, valves & seats , rods & clamps , power end parts and drilling tools ect. It has sound manufactuing facilities , advance technology, perfect measuring and testing devices. All items are manufactured to API 7K quality standards. Dongli Petroleum Machinery Co., Ltd sincerely welcome domestic and foreign merchants come to our factory for investigation guidance , exchanges and cooperation.