... ),A variety of materials, all kinds of welding 1),Punching processing, Small size of the stamping parts ,A variety of materials ... variety of materials, all kinds of welding .Metal welding, non-metallic welding, non-ferrous metal welding, large-scale welding (tons / piece), a ... small welding (g / piece) 3),A variety of materials, sheet metal processing(Processing thickness of 0.2 mm ~ 6 mm)