Leshan Sanjiang Bio-tech Co., Ltd. registered and established in Leshan National High-tech Industrial Development Zone in 2003 is a science and technology enterprise founded by Mr. Xu Zhongyun, a world-renowned forestry scientist and the chief researcher of the Southern Research Institute of the USDA Forest Service. 

Sanjiang’s primary focus is on using  Gallanuts, a Chinese special forestry resource, as raw materials to produce various pharmaceutical intermediates, electronic chemicals, food additives, and other products . Sanjiang  makes full use of special forestry resources to perform deep processing export and earn foreign exchanges, and has become a leading enterprise that contributes to enriching people, enriching the county, building a new socialist countryside, revitalizing local economy and benefiting ordinary people.

Leshan Sanjiang Bio-tech Co., Ltd. has strong capabilities in scientific and technological development. Our company employs a team of experienced scientific and technical personnel who have dedicated many years to the research and development of gallnuts  processing . Sanjiang also possess advanced test instruments and means for relevant products, undertake multiple national and ministerial-level key projects, and have achieved numerous scientific and technological advancements as well as patents. In addition, Sanjiang  collaborate with esteemed institutions such as the Chinese Academy of Forestry, Nanjing Forestry University, Northeast Forestry University, and other universities and colleges to continuously advance forest product deep processing projects.

Based on the advantages of policies, resources and human resources, Sanjiang invested CNY 30 million in the first phase and has completed five production lines for processing Galla Chinensis; we can produce 600 tons of gallic acid, 300 tons of propyl gallate, 200 tons of methyl gallate, 200 tons of tannic acid series of products annually.