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Yixing Qiancheng Bio-Engineering Polyaspartic acid is a kind of amino acid polymer, belongs to the biological polymer material. Widely used in water treatment agent, detergent, cosmetics, antibacterial agent, dispersant, leather, pharmaceutical, hydrogels and other fields, is a very wide range of uses, non-toxic, pollution-free, easy degradation of environmental friendly chemicals.

Yixing Qiancheng Bio-Engineering L-aspartic acid as a nutrient supplement, added to a variety of refreshing drinks. In medicine can be used to do ammonia antidote, liver function promoter and fatigue elimination agent. It can also be used as biochemical reagent, medium and intermediate in organic synthesis. At present, it is mainly used in the synthesis of aspartame with another amino acid L- phenylalanine to produce a new sweetener, and in the manufacture of pharmaceutical intermediate L- asparagine.

Yixing Qiancheng Bio-Engineering Fumaric acid is used as food sour agent, which plays an important role in bacteriostasis and antisepsis. Fumaric acid is an intermediate in fine chemicals such as medicine and optical bleach. Fumaric acid is also used in the production of unsaturated resin.