Contact us for free sample

About Us


Company Profile

Leshan Sanjiang Biological Technology Co., Ltd. is a science and technology enterprise co-founded by world-renowned forestry scientists, Mr. Xu Zhongyun, chief researcher of the Southern Research Institute of the USDA Forest Service, and researcher of the Chinese Academy of Forestry.It was registered and established in Leshan National High-tech Industrial Development Zone in 2003. It mainly produces various pharmaceutical intermediates, fine chemicals, food additives and other products using Chinese Linte resources-Galla Chinensis and natural products imported from Peru as raw materials. Sanjiang made full use of foreign resources to earn foreign exchange through deep processing and exports, and became a leading enterprise for riching people and riching counties and building a new socialist countryside and invigorating the local economy to benefit the people.

Our Advantage

Our company has strong scientific and technological development capabilities, and has many scientific and technical personnel who have been engaged in the research and development of series products of galvanized and Tara deep processing for many years. We also have well-known domestic scientific and technological personnel in the research and development of pharmaceuticals and biochemical products.

Cooperative Partner

Our company has obtained many scientific and technological achievements and patents, and has cooperated with the Chinese Academy of Forestry, Nanjing Forestry University, Northeast Forestry University and other colleges and universities to continuously develop deep processing projects of forest products, and the products have gradually entered the international market.

Company Strength

Based on the advantages of policies, resources and human resources, the company invested 30 million yuan in the first phase and has completed five production lines of gallic and tara processing; the annual output is 600 tons of gallic acid, 300 tons of propyl gallate, 200 tons of Methyl gallate, 200 Tons of tannic acid series products; in the second-phase project, the company will shift from pharmaceutical intermediates, food additives, fine chemical products to biopharmaceutical and electronic chemical products, expanding the product group.

Company Certificate

The company passed the ISO9001 quality system demonstration in January 2005; obtained KOSHER certification in April 2005; obtained HACCP certification in August 2009; obtained the production license of propyl gallate in September 2015; and obtained the national third-level safety assessment in December 2015.


ISO 9001





Contact Us

The company will adhere to the concept of "pursuit of excellence and sustainable operation", continuously absorb the world's advanced technology, increase investment in research and development, and contribute to the development of the western economy and the advancement of industrial technology.