... difficult project; 3) 15 years experiences in metal stamping parts. We're a direct manufacturer with 15 ... years experiences in producing OEM metal stamping blanks by deep drawing and stamping, we can design and fabricate ... passivation, galvanizing, satin, etc.Processing MethodDeep drawing , stamping , punching, bending, CNC spinning, CNC machining, milling, drilling, grinding, Arc welding , seamless ...