HG600A Polishing Machinery 1.Power:AC220V 50HZ 600W 2. Glow:80-100l/h 3.Electrolyzing case:Double case, 6 layers HG600A Polishing MachineryApplication:1) Jewelry Industry: For welding kinds of chain and string made of platiomnum , gold , silver , copper , stainless steel , ect . For mending tiny sand holes on jewelry casting, For jewelry repairing (reforming , casting , welding) .2) Organic Glass ...