... Welding Machine adopts new practical mould repair welding equipment with computer controlled, the newest portable Japanese box design, and microcomputer ... no arc spatter. The minimum accuracy is 0.01MM (iron piece: 0.002-0.4mm), fine steel strip0.05- ... square, lots of welding, or copper, aluminum, ZAS non-iron metalRepairing ways and tactics (reading introduction)Repairing materialGeneral materials: ...