Nanjing Tangtang Chemicals Limited Company is a high-tech corporation, which is mainly engaged in R&D of active pharmaceutical ingredients and fine chemicals. Tangtang has an excellent R&D team made up of energetic people with high degrees, rich experience, strong teamwork and creative spirit, and has good product R&D capabilities.

Following the market demand and making full use of our talent advantage, we try our best to develop all kinds of new pharmaceutical intermediates that our clients demand. Up to now, we have developed over 60 products which come into being several major series, such as 4-methyl-2'-cyanobiphenyl, 2-mercaptothiazole, 4-hydroxyquinoline, 4-methoxyphenylacetic acid. The quality of most of our products takes the lead around the world and the price is preponderant. Up to now, we have established good cooperation relationships with a good many famous domestic or multinational pharmaceutical companies. The company follows the principle of continuing development, pursing the management concept of balance of economic growth, safety, environment protection and social responsibility. We adhere to the people-oriented philosophy and try our utmost to make the company more and more excellent.