... casting, Molding machine technology, Lost-foam casting, V-Process casting , Sodium silicate self-hardening-sand technology.Casting Material:HT100, HT150, HT200, HT250 ... -3000cm Steel Casting: Casting Process:Resin sand casting, Sodium silicate self-hardening-sand technology, Sodium silicate precision casting, Silica Sol precision casting.Casting Material ...