Our company manufacture high colour carbon black pigment N220/N330/N550/N660and various special carbon black pigments. We produce carbon black pigment from hydrocarbon mixtures by a method of pyrolysis in channel. Our products have stable physical and chemic properties such as strong resistance to acid and alkali, excellent light fastness and heat stability. The typical characters of the our carbon black pigments are intense blackness, excellent tinting strength, large specific surface area, small particle size, good dispersion, excellent DBP adsorption, excellent fluidity, strong colour fastness, good glossiness, excellent ageing stability. They are as good as the best carbon black pigment in the world.