Fulvic Acid, Humic Acid, Potassium Humate manufacturer / supplier in China, offering X-Humate Organic Fertilizer High NPK Amino Acid Granular, 50% Fulvic Acid 100% Super Potassium Fulvate Black Microgranules, X-Humate Natural Bio 90 Fulvic Acid Brown Powder and so on.