This product uses high-quality anthracite and tar as raw materials, the use of advanced processing technology from refining. Appearance of the black columnar particles. Have developed porosity, large specific surface area, strong adsorption, high mechanical strength, easy to repeated regeneration, low cost characteristics. Widely used in toxic gas purification, waste gas treatment, industrial and domestic water purification, solvent recovery and so on. It has the characteristics of large surface area, suitable pore structure, high strength, can withstand high temperature, high pressure, not broken ash, long service life and so on.