business scope: Refractories, Metallurgy, Foundry and Abrasives The main products have well block, metering nozzle, tundish metering nozzle, fused nozzle, tundish metering nozzle quick replacement, slag stopping ball, inoculant, desulfurizer, deoxidizer, and the all kinds of cored wire, silicon ferro cored wire, silicon aluminum calcium cored wire, silicon aluminum barium calcium alloy,rare magnesium silicon ferro nodulizer, etc