Detailed Product Description OEM service According to customers detailed specificationdrawings or samples1.Materials: carbon steel, gray iron, alloy steel, stainless steels, high heat alloys, plastics, brass, bronze, aluminum and aluminum casting ect.2.Standard: ASTM, SAE, BS. DIN, UNI3.Surface Treatments: sand blasted, painted, electrophoresis, zinc plated4. Heat treatments: tempered or annealed ...