... 3. Competitive prices 4. Excellent customer service stainless steel stamping parts Shanghai Yi Jing Mold Factory Our ... samples. Materials: Iron, carbon steel, stainless steel, brass, copper, alloy steel, aluminum, cold rolled steel, hot rolled steel, etc.Surface Treatment: All ... argon arc welding, spot or seam welding. Forging: Sand casting, die casting, investment casting, injection molding. Usage ...