Fulvic Acid, Humic Acid, Potassium Humate manufacturer / supplier in China, offering Factory Price Organic Fertilizer Potassium Humate Flake/Powder/Crystal, Ammonium Bicarbonate 99.2% Food Additive Grade Bulking Agents, EDTA Mix Chelated Trace Element Fertilizer Iron/Zinc/Fe/Zn/Cu/Mn/Mo/B/Mg Green Powder EDTA-Mix and so on.