1.material cutting,laser ,punching,deburring,moulding,bending,wedling,pretreatment,painting,spray coating. ... electrical,white clouds electrical, chigo air conditioning, guangzhou machine tool plant.Step 3: Detailed Informations About Workshop.. ... Production Flow:Cut plate>digital control punching machine>difital-control bending machine>welding>spray coating>production inspection>assembling>design ...