... in CHINA,Shandong province. Our main products: NPK, UREA And Ammonium sulfate. Welcome to visit our factory and find what you need ... , 12-12-36. 10-52-5, 18-18-18, 19-19-19, 20-20-20, 5-20-35 3.NP granular: 20-20-0, 11-22-16, 16 ... 46, Granular Urea 46, etc.7.Ammonium sulfate : N: 20.5% ,White granular 2-4mm. NPK Compound Fertilizer 20-10-10 with 2-4 mm