High grade leonardite potssium humate is bright black crystal material soluble in water, alkaline, contains hydroxyl, carboxylate and other active groups.

AGRO-LINK INTERNATIONAL CO.,LTD is  a professional Humic Acid manufacturer in Taiyuan city,Shanxi Province,largest coal base in china.It is very near to Beiing and Xingang  port. Agro-link also has its own coal mine to ensure low cost and high quality raw material. More than 20 years of intensive R&D experience in Humic Acid and advanced own facility, has enabled Agro-link being one of global humic acid market leaders. The technical team provides fields consultation, and eventually customized products. We can also provide formulation products as per crop.Currently, Agro-link has the capacity of 10,000 metric tons per year producing organic/inorganic fertilizer products, and is heading towards 15,000 metric tons per year in the next 2 years, Agro-link grows together with all clients around the world.