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 ...