Calcium Carbide, Graphite Electrode, Cac2 manufacturer / supplier in China, offering 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, Carbon Black N774, a Non-Polluting Semi-Reinforced Option, Optimizes Rubber Processing Performance and so on.