Cast iron 1.Material:GG25. 2.Size:350mm. 3.Weight:30kg. 4.certificate:ISO9001:2008 Cast iron1.Material:GG25.2.Size:350mm ... .3.Weight:30kg.4.certificate:ISO9001:20081.sand casting cast iron 2.Standard: ASTM, AISI, BS, DIN, JIS, NF ... .100%QC 4.ISO9001Detail Feature:sand casting cast ironMaterials: grey iron, ductile iron, malleable iron,heat resistant iron, carbon steel, stainless steel, aluminum, ...