... machining factory make big order possible ItemDescriptionMaterialTechnical Process1Ductile iron castingsASTM A 536-Gr.60-40-18, 65-45-12Green-sand mouldingDIN ... -No.20,25,30,35,40,45Green-sand mouldingASTM A126-Class A, Class B, Class CResin-sand mouldingDIN-GG10, GG15, GG20, GG25, GG30Lost foam ...