... FLANGE ACCORDING TO THE CUSTOMER S REQUIREMENTS. ISO,JIS,ASTM,DIN,... DUTILE IRON,STAINLESS STEEL,GREY IRON,STEEL 1.We are manufacturer ... reached cast iron,grey iron,ductile iron,steel,carbon steel,stainless steel,copper,brass,bronze,aluminum,zinc etc. the ... .Product instruction: • Material:grey iron,ductile iron,steel casting,stainless steel, • Process:sand casting,precision/investment casting • ...