Dezhou Jiatong Machinery Co., Ltd is a manufacturer which mainly manufactures oilfield drilling, oil extraction machinery equipment and parts. Our company has over 90 sets of large-sized and medium-sized machine tool equipment, for example milling machines, boring machines, gear hobbing machines, etc. Our pumping unit reducers and mud pump parts are sold to China’s major oilfield and America, Brazil, Canada, Middle East, etc. Our products include double-circular-arc cylindrical gears and involute gear reducers of various models. Main product models include 13HB、26HB、37HB、48HB、53HB、73HB、89HB、114D、160D、228D、320D、456D、640D、912D and API228、API320、API456、API640、API912, etc. Our mud pump fluid end part products are designed for direct replacement for internationally renowned brand mud pump, for example, Emsco, Gardner Denver, National, Oilwell, Ideco, Skytop/Brewster, OPI, Wirth, Wilson, Gaso, etc. The following are our products： Liners：High frequency quenching liners、Chrome-plated liners、Hy-chrome liners. Pistons and parts：Pistons with replacement rubbers、Piston hubs、Plates、Snap rings、 Chrome-plated piston rods、High frequency quenching piston rods； 3-stem valve and seat、4-stem valve and seat、Full-open valve and seat、Valve spring, etc； Modules and parts：Various modules、module assembly and module parts, etc Our company has technically strong heat treatment workshop and advanced production and testing equipment. Our Gardner Denver duplex mud pump fluid end parts are our key products. Hardened steel liners、piston rods and valves and seats with inserts are manufactured strictly according to API standards and sold very well in America and Middle East market. Please see company website for details ：*****