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China Supplier Custom Ductile Iron DN700 Pn10 Soft Sealing NBR Seal Material Flange Butterfly Valve

China Supplier Custom Ductile Iron DN700 Pn10 Soft Sealing NBR Seal Material Flange Butterfly Valve
Basic Info.Model NO.butterfly valveMedia Water Driving Mode Manual Connection Form Wafer StructureCentre SealingValve...

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