... Steel, a luminium, Aluminium Alloy etc.7. Applied software for specification drawings: PRO/E, Auto CAD, Solid ... ’s shell etc. EquipmentCNC stamping/punching machine, CNC bending machine, CNC cutting machine, 5~250 tons punching machines, welding ... etc.Making processStamping, deep drawing,bending, punching, laster cutting,threading,welding, tapping, riveting, grindingSizeAccording to customer's ...