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Jy-20 Vinylon Gear Metering Pump Fiber Spinning Pump Precision Gear Pump Polyvinyl Alcohol Fiber Pump, Find Details and Price about Vinylon Metering Pump Vinylon Spinning Pump from Jy-20 Vinylon Gear Metering Pump Fiber Spinning Pump Precision Gear Pump Polyvinyl Alcohol Fiber Pump - Shanxi Premium Technology Co., Ltd.