Valves, Ball Valve, Gate Valve manufacturer / supplier in China, offering Ductile Iron/Carbon Steel/CF8 Gate Valve Wcb 2′′ 4′′ 6′′ 8′′ 10′′ DN50/100/200/300/400/500 Rising/Concealed Stem Gate Valve for Water Treatment, Wcb/304 DN50/100/150/200/400 Pn16/25/40 H44 Carbon Steel Rotary Check Valve Bolted Cover Flange Check Valve, GB/GOST/API 6D Cast Steel Wcb Ggg-50 2′′4′′5′′6′′8′′10′′12′′ DN50/100/150/200/250/300 Dual Plate/Swing/H41/H44check Valve for Industrial Water Filter Syste and so on.