To constantly improve the management system by virtue of the rule of sincerely, good faith and quality are the base of enterprise development, we widely absorb the essence of related products internationally, and constantly develop new products to meet the demands of customers for Sodium Hydrosulphide and 70% Sodium Hydrosulphide/Sodium Hydrosulfide, Sodium Hydroxide , polyacrylamide concentration , solfuro di sodio idratato ,Sodium sulfidesolid . Only for accomplish the good-quality product to meet customer's demand, all of our products have been strictly inspected before shipment. The product will supply to all over the world, such as Europe, America, Australia,Angola , London ,Norway , Vietnam .We look forward to hearing from you, whether you are a returning customer or a new one. We hope you will find what you are looking for here, if not, please contact us immediately. We pride ourselves on top notch customer service and response. Thank you for your business and support!