... since 2002. We have a welding team, digital punching machines, and ... machine,CNC shearing achine,CNC punching machines,CNC bending machines,stamping machines,etc.(3) Metal processing: stamping, deep drawing , spot or seam welding ... , hole drilling, metal assembly (4) Surface finish : powder-coating, Zinc plating, enamel, hot-dip, and polishing ,etc Digital Control Punching Machine ...