The product selection of high quality wood as raw material, the use of the unique production process and refined by formula, has a huge surface area and strong functional groups, large, medium and small pore distribution fully meet the glutamic acid solution in large, medium and small molecules of pigment Distribution of activated carbon to achieve a mixture of glutamic acid solution in the best adsorption, the most favorable solution of glutamic acid, and liquid mixtures of a variety of pigment molecules and impurities adsorption, absorption with a strong, stable decolorization, decolorization effect, Filtration speed and a high rate of monosodium glutamate, a small environmental pollution, etc., than the amount of activated carbon to save more than 30%, to be able to meet the province monosodium glutamate production workers, Sheng Liao, the money is aimed at home and abroad for MSG decolorization, Refined, with the exception of activated carbon products that taste the best