Specifications Material: Cast iron, ductile iron, carbon steel, stainless steel. Dimention: DN40-DN1200mm, 1.5"-48" Standards: GB, DIN, ANSI, BS, AS, JIS, ISO, MSN, API, KS etc. Acquirement of TUV CE0036&ISO9002 and SGS ISO9001 certificates makes Huihua set up a full set of Quality Managing System. "quality is life" Huihua will always ensure supplying standard high quality valves to our clients
