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