... material:casting iron 2.surface finish:painting 3.hardness:48--52HRC 4.impact:>16J 4.OEM is accepted Fuchun Precision Casting Co., ... the investment and sand casting in the materials of carbon steel, alloy steel, stainless steel and ductile iron and forge various ... , Portugal, Malaysia, Singapore and Hongkong etc.1.raw material:casting iron2.surface finish:painting3.hardness:48--52HRC4.impact:>16J5.OEM ...