With several years’ experience in serving oil& gas industry, drilling and pumping industry, we are specialized in producing high co-effective tungsten carbide valve parts, includes straight chokes, choke valves ,manifold choke valves ,choke stem and seat , valve seats ,wear sleeve/bush , orifice plate , lagging (long type and short type), half ball , Throats , Plungers, Fluid Nozzles, Threaded Nozzles, Flow Restrictors, Bearings, Valve Sleeves, Mud Nozzles etc.