Jiangsu Tongzhou Chengxin Amino Acid Co., Ltd. located in the Development-Zone of Tongzhou, Jiangsu, was a high-tech enterprise invested by Hua Rui (Hong Kong) international corporation. We engaged ourselves in the research & production of amino acid materials, including their derivatives, and plant extract materials. In recent years we cooperated with some researching lab and universities and reached lots of successes in high-tech researching.

Thanks to the hard work of all of the person in the company, our materials are of high purity to food grade, pharmaceutical grade and injection grade, in accordance with FCCIV, AJI92, AJI97, BP95, USP-23, USP-24 and CP2000 standard. We have the annual capacity for L-Glutamic Acid 600 tons, L-Lysine HCL 500 tons, L-Threonine 300 tons, L-Tryptophan 100 tons, L-Arginine 100 tons, L-Phenylalanine 200 tons, DL-Methionine 300 tons, and we are in the position to produce many other amino acid derivatives, plant extract materials according to customers' requirements.

With the idea of doing best amino acid & plant extract materials in China, we tried and will always try our best to meet the customers' requirements. The aim of our company is to establish a long-term mutually beneficial business partnership with overseas customers and continue to contribute to the happy life of human.