... ,Shandong province. Our main products: NPK, UREA And Ammonium sulfate. Welcome to visit our factory and find what ... 10, 10-10-20, 13-13-21 2.NPK water soluble foliar powder: NPK 20-20-20, 15-30-15 ... 0-15-15, 0-18-18, 0-10-205.Ammonium Sulphate,: 21%N, crystal powder, white crystal granular6. ... Prilled Urea 46, Granular Urea 46, etc.7.Ammonium sulfate : N: 20.5% ,White granular 2-4mm ...