Zhejiang Tianqi Biotechnology, Inc., located in Longyou County, Zhejiang Province, China, is a high-tech enterprise specializing in the research, development, production, and sales of amino acid-based products. These include L-theanine, glutamic acid, aspartic acid, and a variety of amino acid chelates. The company focuses on innovative ingredients for the pharmaceutical, food, and health industries. They adhere to GMP standards and have obtained FSSC22000 certification for food safety management.