1. Food Grade
2.Cosmetic Grade
3.Eyedrops Grade(Pharm Grade)
4. Injection Grade(Pharm Grade)
5. High molecularweight HA
6. Lowmolecular weight HA

Hyaluronic acid(HA)is a straight chain macromolecular mucopolysaccharide composed Of repeatdisaccharide units of glucuronic acid and N-acetylglucosamine. It widelyconsists in the extracellular space of human and animal tissue, vitreum,umbilical cord, skin joints synovia and cockscomb, etc. The commercial HA iscommonly a sodium salt, called sodium hyaluronate, habitually called hyaluronicacid. HA is a new biological at home and abroad. Its molecular weight is fromseveral ten thousand to several million. It's aqueous solution has outstandingmoisture keeping ability, high viscoelasticity and lubricity. It is widely usedin cosmetics, pharmacy and health and beauty food.