Adding a coloring agent in modern feed industry and modern animal husbandry and aquaculture industry increasingly common. The aim has two: First, by changing the color of the colorant feed. Especially in the growing use of non-conventional feed ingredients, the colorant is added in order to cover up some of the non-traditional feed ingredients (such as rapeseed meal, etc.) bad color, to meet user mental habits, increase market competitiveness; while fertilizer coloring agent companies, but also play a role in stimulating appetite and attractant; colorants play this role can be called feed colorant. The main factors affecting the colorant coloring effect: the coloring effect of food coloring coloring agents how, is affected by many factors, the main factors are as follows: Pigment is not soluble in common solvents colorants, so you want to get a good color performance fertilizer colorants Which high-volume needs to be mechanically pigment uniformly dispersed in the plastic. Inorganic pigments thermal stability, excellent light stability, low prices, but relatively poor color strength, relative density; high organic pigment tinting strength, bright color, chromatography complete, relative density, the disadvantage of heat resistance, weather resistance and cover force as good as inorganic pigments. Fertilizer colorants colorants fertilizer manufacturers _ _ Weifang Fuyuan provided by Weifang Fuyuan Environmental Technology Limited. Weifang Fuyuan Environmental Protection Technology Co., Ltd. (www.wfdafuyuan.com) (www.wfdafuyuan.com) strong, credible, Shandong Weifang other industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Weifang Fuyuan and you hand into the brilliant, for a better future!