Fulvic Acid, Humic Acid, Potassium Humate manufacturer / supplier in China, offering Potassium Humate Water Soluble Organic Fertilizer Potassium Salt Humic Manufacturer, Soluble Humic Acid High Grade Leonardite/Lignite 60% Humic Potassium Organic Foliar Fertilizer, Super Potassium Humate 100% Water Soluble Fertilizer Form High Grade Leonardite and so on.