1.ISO/TS 16949. 2.ASTM,BS,JIS,DIN. 3.Wear-resistant, Corrosion-resistant, heating-resistant, etc. 4.OEM&customized 1. ... .5. Material: cast iron, gary cast iron, ductile iron, vermicular cast iron, stainless steel, cast steel, etc.6. Heat-resistant, wear-resistant, corrosion-resistant, etc ...