Huihua Valve Industry Co. is a professional valve manufacturer, specializes in gate valves, butterfly valves, globe valves, dual plate check valves, swing check valves, silient check valves, Y-strainer, ball valves and angle valves etc. Huihua can produce many kinds of valves according to ISO, ANSI, API, DIN, BS, AS, JIS, KS, EN, GB etc which are widely used in control of water, seawater, sewage, oil, air, vapor, food, medicine, acids, alkalis, salts, paper making etc. Hiwa has past TUV CE,ISO and SGS ISO9002 quality approvals and welcome any suggestion, visit and cooperation from all over the world.