It is an aquatic preparation extracted from natural chitin. As medicine's raw material, it can promote the synthesis of mucopolysaccharides, advance the viscosity of synovia, and improve the metabolism of arthroidal cartilage with evident effect of relieving inflmmation and easing pain.It can be as a nutritive food of diabetes, cure enteritis instead of cortisol and has some curative effect on rheumatoid arthritis and hepatitis bbecause it can promote antibiotic injiection efficacy. A new water-soluble medicine derived synthetic from it which has the anti-cancer character and can control maeeow's toxicity, has some curative effect on melanoma, lung cancer and renal carcinoma. Besides, it is used in cosmetic.Feed and food additive industry. Therefore it is very popular in the internation market. Fiber drum/25kg