... Competitive prices 4. Excellent customer service punching metal parts Shanghai Yi Jing Mold Factory Our ... parts per customer's design, specification or samples. Materials: Iron, carbon steel, stainless steel, brass, copper, alloy steel, aluminum, cold rolled steel, hot rolled steel ... 's request. Making Process:Stamping: Rolling, forming, punching, bending, deep drawing. Metal Fabrication: Wire EDM, ...