Calcium Carbide, Graphite Electrode, Cac2 manufacturer / supplier in China, offering High-Strength Wear-Resistant Carbon Black N234, Suitable for Rubber and Plastic Applications, Ultra-High-Strength and Wear-Resistant Carbon Black N110 Empowers Tire Treads, Granular Carbon Black N660 Has High Dispersibility to Improve The Performance of Rubber Products and so on.