Potassium Humate ISO 9001 producer from 2008! Now we are producing: 1. Humic Acid powder 2. Potassium Humate Flake 3. Potassium Humate Powder 4. Potassium Humate Granular (2-4mm, 0.8-2mm, 2-5mm) 5. Potassium Fulvate (100% Water Soluble) Please kindly check and contact us no hesitation to get the best price and CoA for various grade. Looking forward to be your reliable partner from now. Tks!