Our company is the leading manufacturer of carbon raiser in China, and have got the national patent compared with our competitors. Application: used to improve the carbon content in steel-melting and ductile iron foundry.Also it can increase the quantity of scrap steel and reduce the quantity of scrap iron, or use no scrap iron at all. Characteristics: high carbon, low sulfur, few harmful ingredients, high absorptivity of carbon, with stable effect on improving the carbon content