... control 2.OEM orders accepted 3.Excellent service Sheet Metal Manufacturing service 1.material: carbon steel(cold rolled ... shaping, punching, drilling, milling, grinding, rolling, stamping, deep drawing, bending, welding, etcSurface treatmentPolishing, zinc plating, powder coating, e ... in depth knowledge available to you. With CNC punching, CNC folding, numerous inserting and studding equipment as ...