Gongan Lijing Biochemical Co., Ltd. was established in 1995, specialized in producting and selling of collagenⅡ, 90% of products have been exported to Euro-countries, North American, Southeast Asia and South Africa etc countries. Collagen II was awarded a patent of invention by National Bureau of knowledge property in April, 2004. At present, Collagen II can be used in the fields of dietary supplement, cosmetics, energy drinks and medicine.