... :350mm.3.Weight:30kg.4.certificate:ISO9001:20081.sand casting cast iron 2.Standard: ASTM, AISI, BS, DIN, JIS, ... 100%QC 4.ISO9001Detail Feature:sand casting cast ironMaterials: grey iron, ductile iron, malleable iron,heat resistant iron, carbon steel, stainless steel, aluminum, ... machining, polishing, and plating 2) We make them by precision casting, investment casting and steel sand casting process in ...