About Us

Changsha Zheng Li Biological Technology Co., Ltd. relies on Hunan Agricultural University, Ningxia University and Chinese Academy of Sciences and other research institutes, specializing in research & development, manufacturing and trading of humic(humus) acid/huminsauren products for poultry/swine/aquaculture and other animal therapeutic nutritional ingredients /additives /supplements /material as well as fertilizers for nearly 15 years. Our factories are certified with ISO9001:2015 and inspected by ITS, SGS, TUV, AQM, BSCI etc. Our products are widely used in livestock and poultry feed, animal feed additives, aquatic animal protection, organic fertilizers, soil improvement, industrial ceramics and biomedicine industries... [ Read More >>]










  • 1. With our own Lignite/Leonardite Mine, we invested 20 million yuan and set up a new factory in Humic Acid/Humate source base Wuhai City.
  • 2. With 3 Humic Acid/Humate plants/factories occupy more than 90,000 square meters, of which Humic Acid/Humate annual yield more than 100,000 metric ton.
  • 3. Our Humic Acid/Humate production plant uses waste steam as power heat energy. The reaction is fully automated, reaction is accurate and sufficient.
  • 4. Advanced Humic acid and fulvate acid production technology, complete production and testing equipment, scientific management and strict quality assurance system complied to ISO9001:2015.
  • 5. Relies on research institutes such as Hunan Agricultural University, Ningxia University and China Academy of Sciences, we have been developed and produced Humic Acia/Humate for more than 15 years.
  • 6. We are pioneers of coated sodium humate as feed ingredients and obtained patents of "Coated feed additive of sodium humate".     
  • 7. Our products have been distributed to more than 20 countries in Asia, EMEA,South America and USA. We always "Do the right product, benefit our customers"!



Hot Product

The leading supplier of animal feed ingredients/additives/supplements

Prevention and treatment of animal diseases

Solutions for animal nutrition and health




On the morning of April 18, 2021 China feed industry exhibition, sponsored by China Feed Industry A......
Congratulations! Changsha Zheng Li Biological Technology Co. Ltd was awarded "2021 China Aquatic In......

Organic additives/ingredients/fertilizers

For plants, farms and agriculture

For porcelain and ceramic

Adapt to diverse needs and provide NPD constantly



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