Chitosan is a new biotechnology after genetic engineering and protein engineering. It is called the third generation of biotechnology. It can be widely used in agriculture, food, chemical industry, energy, environmental protection, medicine and other fields.

Chitooligosaccharides can change soil flora and promote the growth of beneficial microorganisms. Chitooligosaccharides can also induce disease resistance of plants, It can be used as biological pesticide, growth regulator and fertilizer.