Since 1992, Innovation Humic Acid Technology Co., Ltd is one of the leading humic acid manufacturers,supplier in China which located in the origin place of Confucianism in China. With almost 20 years of intensive R&D experience in Humic Acid and combining with our largest, best quality Leonardite mine in China (almost yearly production capacity 100 thousand metric tons.), has enabled we being one of the market leaders for Humic Acid products.