Materials -Stainless steel, cast iron, carbon steel, aluminum and zinc alloy Precision PartsMaterials: Stainless steel, cast iron, carbon steel, aluminum and zinc alloy Process: Precision ... , die and permanent mold casting, gravity casting, stainless steel casting, etc. Standards: JIS, DIN, ASTM and ... welcome Precision Parts made of Stainless steel, cast iron, carbon steel, aluminum and zinc alloy