product information

  • chemistry


    Gallic Acid (Industrial Grade);
    Methyl Gallate;
    Tannic Acid

  • biochemistry


    High Purity Gallic Acid;
    Tannic Acid

  • Electronic Chemistry

    Electronic Chemistry

    Gallic Acid (Electronic Grade);
    Methyl Gallate (Electronic Grade)

  • pharmaceutical


    Gallic Acid (Pharmaceutical Grade);
    Propyl Gallate (Pharmaceutical Grade)

  • additive


    Propyl Gallate (Food Grade FCC-IV);
    Propyl Gallate (Feed Grade);
    Tannic Acid


pursuit of excellence and sustainable operation

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.

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company news

Electronic chemicals

Electronic chemicals, Also known as electronic chemical materials, it refers to the fine chemical materials supporting the electronic industry. El...
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Environmentally friendly photosensitive material based on Galla Chinensis

Microelectronics industry and chip industry is the basis of the electronics manufacturing industry, is a highly sophisti...
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Development of Electronic Chemical Materials in China

    The transfer of electronic chemical production capacity to China has become a general trend. Regionally, Asia Pacifi...
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New Research Progress on Gallic Acid

1. Anti-1.tumor effect     1) Inhibit tumor formation; tumor formation is a multi-factor, multi-step, multi-gene mutation...
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