The yellow powder products, from guar powder chemically modified to be, with many excellent characteristics. And the water-insoluble residues were more Gua'er collagen powder had significantly lower. Oilfield can be used as water-based fracturing fluids and mud additives, can effectively reduce the formation of pollution, with high-temperature performance and stable. Apply to oil exploration and mining industries, cosmetics, pharmaceuticals, paper, textiles, demolition and other fields.