... coating,painting 3.ISO 9001:2008 4.good service,quality. welding processing :1.material:steel,SS,aluminium,copper.2. ... process:Laser cutting,CNC Punching,CNC Bending,Tig Welding,Mig Welding,Riveting, Grinding,Stamping, Assembling,etc.Surface treatment: ... CNC Puching machines;CNC bending machines;Tig welding machines;Mig welding machines;Spot welding machines;Stamping machines;Rolling machine;Pipe ...