flame polishing machine H100 1.CE certificate 2.Innovation backfire-proof fittings 3.intellectualized pressure switch flame polishing machine H100 Application1) Jewelry IndustryFor 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 ...