Fulvic Acid, Humic Acid, Potassium Humate manufacturer / supplier in China, offering Super Potassium Humate Humic Fulvic Water Soluble Fertilizer, Slow Release Humic Acid Water Soluble Round Ball Base Fertilizer, Super Potassium Humate/Humic Acid/Fulvic Acid Organic Fertilizer for Agriculture and so on.