Changsha Zheng Li Biological Technology Co., Ltd.
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 acid products for nearly 15 years. Our
factories are certified with ISO9001:2015, applied to REACH, FSC,
CE, ROHS, FDA standards and inspected by ITS, SGS, TUV, AQM, BSCI,
etc. Our products are widely used in livestock, poultry & aquatic
feed, therapeutic feed additives, aquatic animal protection,
organic fertilizers, soil improvement, industrial ceramics,
biomedicine industries, etc. It has three humic acid factories
covering an area of more than 90,000 square meters, with an annual
output of more than 100,000 tons of humic acid products.
The company's leading products are: Sodium humate, Feed grade
sodium humate, Feed grade coated sodium humate, Neutral sodium
humate, Potassium humate, Magnesium humate, Silicon
humate,Phosphorus humate, Ammonium humate, Boron humate, Nitro
humic acid, Humic acid urea, Fulvic acid, etc. many of which have
obtained exclusive patents.
