We, Holdwell Group , as a professional organization focused exclusively on offering the major mechanical components for both land and offshore drilling rigs as well as complete land drilling and well servicing rigs. Drilling Rigs . (3000 m to 7000 m series drilling rigs and work over rigs.)Mud pump and fluid end expendable part for brand Emsco, National Oilwell , Gardner Denver ,Drillmec, Ideco, Wilson etc. ( API valve and seat .liners pistons and so on)Drilling component ( Rotary table, drawworks and hydraulic disc brake , swivel ,hook and travelling block)Handling tools ( Varco & BJ type Manual tong, elevator , safety clamp and slip etc.)Power tong ( DP-power tong , casing tong and tubing tong and hydraulic power unit)Solid control equipment ( shale shaker, desander, desilter and mud cleaner )Well control equipment ( single ram BOP , double ram BOP, annual BOP and koomey unit.)API gate valves and butterfly valves. (Demco interchangeable) check valve, ball valve, safety valve, stop valve, balanced valve and so onCentrifugal pump (Mission Mission Magnum interchangeable )