We are interested to import Ammonium Sulphate Fertilizer Grade. Specification: - Nitrogen(N) content(based on dry basis): 20.5%min - Water content(H 2 O): 0.5%max - Free acid conten: 0.08%max - Water insoluble Content: 0.01%max Packing: Net 50kg plastic woven bags with inner liner Quantity: 1000MT/month Please quote the price at CIF Haiphong port, CIP Dongdang Station or DAF Huunghi Vietnam