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High Quality Plastic Manual Handle Butterfly Valve Lever PVC Wafer Type Butterfly Valve UPVC Worm Gear Non Actuator Butterfly Valve 10K JIS Standard, Find Details and Price about PVC Butterfly Valve Butterfly Valve Lever from High Quality Plastic Manual Handle Butterfly Valve Lever PVC Wafer Type Butterfly Valve UPVC Worm Gear Non Actuator Butterfly Valve 10K JIS Standard - Tianjin Runke Plastic Tech Co., Ltd.