The products are made from high quality raw materials like coconut shell, apricot nutshell and walnut shell, and are designedly producted by drying, charring and high temperature steam activating. Characterized by large specific surface area, strong adsorption power, high mechanical strength, and varieties of sizes, they are widely used in air purification, catalyst carrier .extraction of noble metal, solvent recovery and decolorization of medicines, especially in treatment of industrial and drinking water.