Shandong Baoshida Petroleum Equipment Manufacture Co., Ltd is a modernized high-tech enterprise. The company can provide the full set of mechanical and electrical equipment,technical support and maintenance service. The leading products are pumping unit, the oil well pump, esp, submersible motor, sucker rod, wear-resisting couplings, motor shaft and various downhole tools. In China, the company is the main supplier of many big domestic oilfields, such as Shengli oilfield, Dagang oilfield, ...