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Mine-Used Feed Switch, Pjg-630/6 Mine-Used Flameproof and I. S. High- Voltage Vacuum Power Distribution Device. Direct Starter, Find Details and Price about Vacuum Distribution Equipment Feeder Switch from Mine-Used Feed Switch, Pjg-630/6 Mine-Used Flameproof and I. S. High- Voltage Vacuum Power Distribution Device. Direct Starter - Jiyuan Coal High Voltage Switch Co., Ltd.