We-Hebei Daguangming Juwuba Carbon Black co.,ltd is one of the largest carbon black manufactures of china,We mainy produce wet process granular carbon black, Our total annual outpt reaches 200000MT.Within 5 year, the Carbon black output will reach 510,000tons.Using the American technology of continental and the production process is controlled automatically.We can produce more than 20grades of carbon black,Such asN220 ???N234???N326???N330???N339???N375???N539???N550???N660???N774???N762???and other special carbon ...