Xinyi Yixin Biotechnology Co., Ltd. is a reliable Chinese manufacturer of full-series amino acid raw materials. We produce compound amino acid powder and various single amino acids for feed, agriculture, food and pharma industries.With 100,000 ㎡ production base, complete QC system and ISO9001 certification, we supply full set of export certificates such as COA, MSDS, HALAL & KOSHER. Our products are sold to global markets including Southeast Asia, Europe, USA and Middle East.We support bulk orders, customized standards and free samples. Feel free to send inquiry for price and factory inspection arrangement.