Ductile iron castings Silica sol binder lost wax casting Accuracy CT3-4 Surface finishes Ra3.2 ISO9001:2008 ertification 1.TechnologySilica sol binderLost waxInvestment casting process2.Variety of materialsCarbon steelAlloy steelStainless steelDuctile iron etc.3. StandardsASTM, JISBS, DIN, EN, ISO4. Capacities2,000,000 pieces/Monthor 100Tons/Month5. Field of applicationsTextile & sewing machine ...