Black and white cards petrochemical catalyst carrier activated carbon products, made of high quality raw materials, through advanced production equipment and technology is refined, its appearance is dark black granular, with a large surface area, suitable pore institutions, high mechanical strength, can withstand high temperatures , high pressure, not broken, long life, strong adsorption performance, low impurity content, good chemical stability. Widely used in petroleum chemical industry products hydrogenation, catalytic cracking, catalytic reforming, hydrodesulfurization, Dearomatization, dewaxing catalyst carrier.