Zhejiang Tianrui Chemical Co.,ltd

About us

Zhejiang Tianrui Chemical Co Ltd, situated in the south industrial zone of Longyou county, Zhejiang province, China, is a high-tech enterprise, specializing in R & D, production, sales and technical services of L-Theanine, L-Pyroglutamic acid, L-Glutamic acid etc. Our plant is designed, built and operated according to the standards of pharmaceutical enterprises and perfect quality control and quality assurance systems are established in accordance with ICH Q7 Guidelines. Our company are ISO22000 and ISO14001 certified. Our products obtained HACCP, KOSHER, HALAL and other international certificates. Now we are in process for USP and FDA GRAS. We are authorized to import and export, have established business relationships with companies from more than 30 countries and areas, and a good reputation. Adhering to the top R & D capacity and the excellent quality, we are the largest professional L-Theanine with top productivity and sales in China, gradually establishing brand advantage.

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