About Us


Company Profile

Leshan Sanjiang Bio-Tech Co., Ltd. is a tech firm founded by Xu Zhongyun, a world-renowned forestry scientist and Chief Researcher of the Southern Research Institute of the USDA Forest Service.The company was incorporated in the Leshan National High-tech Industrial Development Zone in 2003. Made from China's forestry specialties--Galla Chinensis and natural product Tara sourced from Peru, our products include pharmaceutical intermediates, electronic chemicals, food additives, etc.

Our Advantage

Technology-application of new technology with breakthroughs made in the traditional process

Experience-19 years of concentration on Gallic Acid products since our inception in 2003

Place of origin-abundance of Galla Chinensis resources in Leshan and surroundings for securing sustainability

Talent-talent support of ICIFP, Chinese Academy of Forestry and Nanjing Forestry University in technology research & development

Project-sunrise industry that helps farmers get rid of poverty and become well off under national support to projects regarding "agriculture, rural areas and farmers"

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.







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Leveraging the policy advantage, resource advantage and HR advantage and adhering to the concept of "pursuit of excellence and sustainable operation", we will shift focus of development from Gallic Acid-based pharmaceutical intermediates, food additives and fine chemicals to biopharmaceuticals and electronic chemicals for phase 2 works, breaking the international monopoly and contributing to the progress of national high-grade, precision and advanced electronic industries.