Sincerity, Innovation, Rigorousness, and Efficiency is definitely the persistent conception of our corporation to the long-term to establish alongside one another with customers for mutual reciprocity and mutual profit for China Na2s, Sulfide material , Sodium Sulfhydrate Liquid , Sodium Potassium Hydroxide ,Sodium Bisulfide . We are highly aware of quality, and have the certification ISO/TS16949:2009. We are dedicated to supply you high quality products with reasonable price. The product will supply to all over the world, such as Europe, America, Australia,Ecuador , Mongolia ,Curacao , Liberia .In order to carry out our goal of customer first and mutual benefit in the cooperation, we establish a professional engineering team and a sales team to supply the best service to satisfy our customers' requirements. Welcome you to cooperate with us and join us. We are your best choice.