1. Most typical inorganic nitrogen fertilizer., 2. Best fast release, quick acting, and high efficiency., 3. Used for a variety of crops, item, specification, appearancewhite crystalline, no visible mechanical impurity, nitrogen21% min, moisture0.3% max, water insoluble0.01% max, fress acid(h2so4)0.05 max, heary metal(pb)0.005 maxused for a variety of crops, 4. Ammonium sulphate compacted granular 2-4mm and 5-7mm, 5. Ammonium sulphate steel grade crystal or powder, 6. Ammonium sulphate caprolactam grade 0.2-2mm,
