Our company is located in Putian city, Fujian province, the coastal area in southern China, owning a valuable natural portresource. We are the professional trade company engaging in Ammonium sulfate export business. We enable to massively and continually supply superior Caprolactam grade Ammonium sulfate in a competitive price. All of our Ammonium sulfate are provided by the famous state-owned chemical enterprises factory with whom we have established long-term friendly relations of cooperation. Our ammonium sulfate annual output can reach 300000 metric tons and stand third among the same industry in China. Our company has always adhered to the spirit of quality first and credibility supreme, sincerely dedicated to provide the best service to meeting your requirements.We can offer you a pretty competitive price and perfect service for you. Free sample are available and any third party inspection can be accepted. Monthly capacity:30000MT.Prompt shipment.Specifications and advantage:Purity:N 21%.Nitrogen:21%.H2O:0.04%.H2SO4:0.003%.No visible mechanical impurity.Release Type:QuickGrade:Caprolactam grade.Executive standard:GB535-1995( national standard)Place of Origin:Fujian,ChinaFormula: (NH4)2SO4,Applications :Can be directly used as fertilizer; also used to produce composite fertilizer, potassium sulfate, ammonium chloride etc. Features: white color crystal with no visible mechanical impurities. Easily soluble in water, insoluble in ethanol or acetone, has hygroscopicity; can react with alkalis and release ammonia gas. Net weight :25kg/pack. Package: woven bag with plastic liner or according to your requirements. Payment :L/c at sight or t/t or d/p at sight.Delivery Detail:prompt shipment.FOB Port:Jiangyin port or other main port in China.FOB/CNF Price: Please feel free to contact me if yo