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Manual Aluminum Handle Type Stainless Steel 304 JIS5K/10K ANSI150lb Wafer Type Concentric Butterfly Valve, Find Details and Price about Butterfly Valve Concentric Butterfly Valve from Manual Aluminum Handle Type Stainless Steel 304 JIS5K/10K ANSI150lb Wafer Type Concentric Butterfly Valve - Zhejiang Zhongguan Valve Manufacture Co., Ltd