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