Qingdao Kehua Petroleum Machinery Co., Ltd. mainly manages mud pump fluid end expendables. Our company is the specialized factory manufacturing mud pump metric and British system chrome-plated liner, hardened steel liner and ceramic liner�And may provide each type of valve body , valve seat, piston hub, piston rod, extension rod, plate , snap ring , module and so on . With streamlined and efficient manufacturing processes and competent staff, the company control the production quality strictly according to API -7K standard , and establishes a complete set of quality management system according to ISO9001 requirements .We have advanced digital control center , specialized technical personnel and a group of high �level data technicians .Our product quality is first class that earn good reputation from the customers .Our products are exporting to U.S.A., Europe, and Asia Pacific countries . The company is also dealing with drilling pipe , drilling casing , drilling bit, and some other drilling machinery and parts.