The importance of color performance color performance on plastic colored plastic colorant basic performance, color performance is pointing to color strength, tone, and coloring agents hiding pesticide factory, which is the first feature evaluate coloring properties. Pointing toner coloring power is given to a measure of the depth of the coloring plastics, it can be quantified as an absolute value tinting strength pesticides coloring agents, may also be compared with other colorants relative value. Tone refers to the basic color pigment. It can be used in the colorimetry hue, lightness and saturation to represent. Color toner performance is important in plastics coloring performance index, which determines the stability of the color quality of plastic products, and the cost of coloring the coloring process. Different carotenoids with different efficiencies deposited in different organizations, general esterified lutein and zeaxanthin better than crystalline lutein and zeaxanthin deposition effects in animal body tissues. Dietary fat can be enhanced deposition of the pesticide company colorant pigment, and found that the addition of animal fat is more effective than add vegetable oil. In addition, with the increase in feed pigment levels, decrease in animal tissue deposition ratio of the dye. Pesticide colorant guarantee _ Weifang Fuyuan (Online) _ pesticide colorant provided by Environmental Protection Technology Co., Ltd. Weifang Fuyuan. Weifang Fuyuan Environmental Technology Limited (www.wfdafuyuan.com) (www.wfdafuyuan.com) Shandong Weifang, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer demand. In Weifang Fuyuan leadership with the staff warmly welcome all inquiries negotiations to create Weifang Fuyuan better future.