Nanjing Longyuan Natural Polyphenol Synthesis Factory, situated in Nanjing High-tech Development Zone, is an enterprise integrating research, development, production and marketing. It is originated from persons with long experience in research and technology in natural tannins in the Research Institute of Chemical Processing and Utilization of Forest Products, Chinese Academy of Forestry. Its products have formed a complete family. The factory possesses a highly skilled scientific and technological team, updated testing facilities, improved producing process and advanced synthesis equipments. As a result, the factory was awarded the title of "High-tech Enterprise" after half a year of operation. It soon stepped into healthy circulation and made quick progresses successively.
The goal of the factory is to use natural forest products for the benefits of mankind. The factory has reached an annual growth rate of 30% in its economic index since its establishment in 1997. All the products were exported and well accepted in Western Europe, South America, Japan, USA and India etc., showing bright prospects in international trade for the serial products from natural tannins of China.
Pyrogallol?A3,4,5-trimethoxybenzoic acid methyl ester?A1,2,3-trimethoxybenzene?Aellagic acid?A2,3,4-trimethoxybenzaldehyde?A2,3,4-trimethoxybenzoic acid?Ahigh purity gallic acid?Aoctyl gallate?A2,3,4-trihydroxybenzaldehyde?A2,3,4,4?tetrahydroxybenzophenone?Aethyl gallate?Alauryl gallate?Amethyl gallate?A3,4,5-trimethoxybenzoic acid?A2,3,4-trihydroxybenzoic acid?A2,3,4-trihydroxybenzophenone?Aresveratrol?A anhydrous technical gallic acid?A technical gallic acid?A medicine grade tannic acid?A technical tannic acid?A food grade tannic acid?A propyl gallate.