| Carbon Black N121, N219, N220, N234, N326, N330, N339, N375, N550, N660, N762, N765, N772, N774, etc. with competitive prices and good quality, both in granular form and powder form. The products are maily used for rubber products, plastic, PVC, master batch, etc.It has passed ISO 9001:2000 and ISO14001:2004 |