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Pn10/Pn16 Ci/Di Soft Back Lug Type Wafer Butterfly Valve, Find Details and Price about Soft Back Lug Type Wafer Butterfly Valve Lug Type Wafer Butterfly Valve from Pn10/Pn16 Ci/Di Soft Back Lug Type Wafer Butterfly Valve - Hebei Peng Guang Valve Trade Co., Ltd.