Cemented carbide precision wear-resistant components are widely used in oil drilling field, military industry, steel industry, coal mining, petrochemical fittings, chamical industry, water pump seal industry, machine tool accessories industry and other emerging industries. The main products are sleeve, thread nozzle, sealing ring, bushing, bars, spray sheet, spray cover, valve, valve seat, impeller, special-shaped structure products, machinery accessories and so on. The major products in the market are submersible pump sleeve parts, PDC drilling bit, grinding thread nozzle for cone roller bit, precision seals for water pump, bushing for drinking water pump, non-standard wear-resistant components for well drilling, cementing and repairing. The products have high precision, long service life, good wear-resistance and corrosion resistance, and they are mainly used in submersible centrifugal pump, electric submersible pump, submersible oil ( gas ) separator, mud pump, acid-resistant pump, sewage pump, drinking water pump, PDC bit, cone roller bit ( reamer ) and so on.