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DIN ANSI 150lb 10 K Stainless Steel 304 316 Wcb Pneumatic Bevel Gear Flange Wafer Slurry Lug Knife Gate Valve, Find Details and Price about Knife Gate Valve Steel Knife Gate Valve from DIN ANSI 150lb 10 K Stainless Steel 304 316 Wcb Pneumatic Bevel Gear Flange Wafer Slurry Lug Knife Gate Valve - Hangzhou Henggong Technology Co., LTD