Qingdao Kehua Petroleum Machinery Co., Ltd. is mainly engaged in oil drilling mud pump hydraulic end fittings. Since 2006, our company has focused on producing all parts of mud pumps and mud pumps. The company specializes in the production of mud pump public and imperial double-metal liners and single-metal cylinder liners and ceramic cylinder liners; can provide various types of valve body, valve seat; piston steel core, piston rod, medium rod; pressure plate, retainer, valve Boxes and so on. The company adopts advanced technology and technology products to meet the API-7K (American Petroleum Institute) standards, and established a set of quality control system in line with ISO9001 requirements. My company has advanced CNC machining center, with experienced professional and technical personnel and a number of senior CNC technicians, thus ensuring the quality of products, in order to win the credibility of the user has laid a solid foundation. Products have been exported to the United States, Europe, Southeast Asia and other six countries.