Qingdao Kehua Petroleum Machinery Co., Ltd. mainly manages mud pump fluid end expendables. We have been producing petrolem machinery since 2006. 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 .