Chengdu Chelation Biology Technology Co., Ltd. (former Sichuan SKYWORTH Biotechnology Research Institute, founded in 1998) is a high-tech enterprise of scientific research, production and sale, We Chelation group specializing in the research and development of Amino Acid Chelated Trace Elements products mainly for Food, Agriculture and Animal husbandry industry. We Chelation Group have two factory, one is in Sichuan Province, the other is in Hubei Province, we are the largest manufacturer on Compound Amino Acid Powder and Amino Acid Chelated Trace Elements in China. Our products exported to more than 70 countries.