... shelter, lamp cabinet, aluminum products, metals products, products spray coating and so on. 2.Production Flow:Cut plate> ... digital control punching machine>difital-control bending machine>welding>spray coating>production inspection>assembling>design & expand. 3.our ... welding,Carbon dioxide welding,Touch welding7) French Gema full automatic spray coating line 5.Certificate of approval:ISO9000-20016. ...