1. Mainly used in steelmaking in electrical stove, screening water.

2. Used to improve the carbon content in steel-making and ductile iron foundry.

3. High carbon, low sulfur, with stable effect for improving the carbon content.

4. Used in electric furnace steel smelting and cast-iron for improving the carbon content.

5. In producing casting, increasing the used quantity of scrap steel and reduce the scrap iron.