This series product take high quality lumber and natural pine mixed charcoal as the raw material, adopt advanced equipment and scientific craft and then produce out by steam high temperature activation, acid pickling, rinse, trash extraction working procedures.Few impurity, high purity , quick rate of percolation, has fine decolorization, purification, depuration and so on performances. Widely uses in the medicine raw material, injection preparation, Vitamin C, food, drinking, cooking oil, gas mask, stearic acid and hydrolisis zoology and botany protein's refining , also adopts for the tap water purification , the chemical reagent , the industrial chemicals , the citric acid, the edible chemical additive and so on.