Fully automatic punching press → rolling line → computer-controlled cutting and bending → CO2 shielded welding → electrostatic spraying
Surface treatment: Epoxy resin electrostatic spraying, coating thickness 60-80 microns;
Degreasing → Rinsing → Pickling and rust removal → Rinsing → Phosphating → High-pressure rinsing → Drying → Electrostatic spraying → High-temperature curing; Shelving
