Butterfly Valve, Check Valve manufacturer / supplier in China, offering Aluminium Bronze C95400 Hastelloy Alloy Stainless Steel Wafer Butterfly Valve Alloy 20 Monel 400 Monel K500, Stainless Steel CF8 CF8m C95400 Wafer Type Butterfly Valve Wras Approved, Stainless Steel SS304 SS316 CF8 CF8m Ss C95400 Threaded End Lug Butterfly Valve and so on.