Wafer Butterfly Valve, Check Valve, Gate Valve manufacturer / supplier in China, offering Ductile Cast Iron Stainless Steel Seat Water Good Sealing Suitable for a Variety of Media Lug Type Butterfly Valve, Ductile Cast Iron Stainless Steel Seat Water Natural Rubber Lug Type Butterfly Valve Factory OEM Industrial DN50 Pn16, 4 Inch 8 Inch Di Body EPDM Opened and Closed Quickly Unique Structure Lug Type Butterfly Valve and so on.
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