Fully automatic punching machine punching → rolling line → computer-controlled cutting and folding → carbon dioxide protection welding → electrostatic spraying
Surface treatment:
Using epoxy resin electrostatic spraying treatment, with a coating thickness of 60-80 microns;
Oil removal → rinsing → acid pickling and rust removal → rinsing → phosphating → high-pressure rinsing → drying → electrostatic spraying → high temperature curing; goods shelves
