Tianjin Century Tianlong Biotechnology Co., Ltd. Tianjin Shijitianlong Biotech Co., Ltd., founded in June 2013, is an amino acid manufacturer established by Tianjin Shijitianlong Pharmaceutical Co., Ltd. and Tianjin Qiren Pharmaceutical Technology Co., Ltd. The company cooperates with biotechnology experts, separation and analysis experts and well-known scholars in the field of natural amino acid research and development in Tsinghua University, Nankai University and Tianjin University of Science and Technology, etc., and obtains advanced biotechnology research and development technology, focusing on the production of high-quality amino acid products. At the same time, a number of advanced instruments and equipment, including Agilent High Performance Liquid Chromatography (HPLC), Agilent Gas Chromatography (GC), UV-Vis Spectrophotometer (UV-2550), Atomic Absorption Spectrophotometer and Fourier Infrared Spectrometer, are equipped to ensure the accuracy of the test results. At present, there are five kinds of patented amino acids, including gamma-aminobutyric acid, citrulline, 5-hydroxytryptophan and theanine. Among them, gamma-aminobutyric acid has obtained patent exclusive license. The company has a registered capital of 15 million yuan and an international standardized production line of natural amino acid raw materials with an output of 8 tons per month. Tianjin Century Tianlong Biotechnology Co., Ltd. takes "Quality First, Excellent in R&D" as its core concept, strives to build pioneering and innovative enterprises in the field of international biotechnology as its development direction, takes advanced production technology and technological innovation system as its core competitiveness, and creates brilliance with brand strength.