... service. 1. Technics: Stamping, spot or seam Welding, Deep drawing, bending, spinning and ... Welding: spot welding, straight welding, girth welding, argon arc welding, brazing.5. Material: Most ... machine,4 sets cutting machine. The mould machine, like EDM shaping machine, Linear cutting machine, Turning lathe, Planning machine, Milling machine, Grinding machine, Drilling machine, Boring machine ...