... and other large mechanical sheet metal structure4 Advertising light box series:advertising light box,rolling LED electronic display screen ... steel,aluminum,brass,etc Making process Laser cutting,CNC Punching,CNC Bending,Tig Welding,Mig welding,Riveting,Grinding,Stamping ... ,etc Major Equipment Laser cutting machine;CNC shearing machine,Cnc Punching machines;CNC bending machines,Tig welding machines;Mig ...