Founded in 1978, Nanjing T. N. C. Bioengineering Co. LTD (Nanjing TNC) is a comprehensive manufacturer, principally engaged in the production of biochemical and fine chemicals. Located in the eastern region of China, 300 KM west of Shanghai Metropolitan area, Nanjing TNC is a full service provider, with proprietary R&D technology, scale production capabilities, and a highly qualified team of sales and marketing representatives.

At present, our company offers over 30 different products which fall under four major categories: Feed and Food additive, Agrichemical intermediate, Pharmaceutical intermediate, Flavour and Fragrance. We are currently the largest manufacturer and seller in China for L-tryptophan (an essential amino acid), Carbadox (an animal growth promoter), and Indole (a synthetic fragrance). Currently, we distribute our major products globally to customers in Asia, Latin America, North America and Europe.