Butterfly Valve, Check Valve, Gate Valve manufacturer / supplier in China, offering Manufacturer 8′ ′ Pn16 Ss420 Stem SS304/Di Disc EPDM Soft Seated Gear Operated Flange Type Concentric Butterfly Valve, Manufacturer Pn16 1-1/2 Inch Three Functions Type Electric Adjustment Brass Picv Pressure Independence Control Valve, Tcv3 Series Ductile Iron Pn25 1-1/2′′ on/off Type Actuator Ball Type Two Way Temperature Control Valve and so on.