... Competitive prices 4. Excellent customer service stainless steel stamping parts Shanghai Yi Jing Mold Factory ... Materials: Iron, carbon steel, stainless steel, brass, copper, alloy steel, aluminum, cold rolled steel, hot rolled steel, etc.Surface Treatment ... products: Hardware metal stamping parts, door hinges, cabinet hinges, butt hinges, tee hinges, air conditioner brackets, air conditioner mounting ...