... welding machine for custom signage: 1.Welding any shapes products well 2.CE ISO certificated 3.Automatical Features:The New laser welding machine ... shortage of traditional hydrogen arc welding in repairing precision surfaces, avoids the two difficulties of thermal strain ... apparatus fittings, filter, nozzle, stainless steel products, golf head, zinc alloy artworks,Weld point, straight line, circle, ...