All of our products are designed by USA 3D CAD computer auxiliary ,with powerful technical development capacity . To guarantee a stable and reliable product quality ,we have the CNC numerical control multi-post processing ……degree is up to the worldwide advanced level .Products are made with the latest manufacturing technologies both from domestic and overseas ,strictly standarded with ANSI,API ,DIN ,BS ,JPI,JIS and advanced abroad standards also GB .Our products’ working pressure is from 1.0Mpa to 10Mpa and nominal diameter from 15mm to 4500mm. Our products are including butterfly valve ,gate valve, globe valve ,ball valve, check valve ,water power control valve, exhaust valve, filter, expansion bend ,pipeline fittings, applicable for the water supply and drainage, air conditioning, plumbing systems, petroleum ,chemical industry ,shipping ,pharmaceutical and etc .