... , punching, drilling, milling, grinding, rolling, stamping, deep drawing, bending, welding, etcSurface treatmentPolishing, zinc plating, powder coating, ... punching, drilling, milling, grinding, rolling, stamping, deep drawing, bending,etc.Surface: Zinc plating, enamel, hot-dip, ... , Refrigeration equipment , Automation control system,customized sheet metal part.We can make any similar parts according ...