... Polishing Machine 1.Power: 400w, AC220V 50HZ 2.Gas flow:60-80l/h 3.Electrolyzing case: Single case, 3layers : HG350D China Polishing ... casting , welding) .2) Organic Glass Industry:Quick and fine polishing for acryl (organic glass), solving problems that grinding ... , purified water, cold boiled water, tap water, and , mineral water.Safety fittingsInnovation backfire-proof fittings, intellectualized ...