We pursue the administration tenet of Quality is remarkable, Services is supreme, Status is first, and will sincerely create and share success with all customers for China CAS No.: 16721-80-5 and Industrial Grade NAHS, Sodium Sulfide(Anhydrous) , solfuro di sodio idratato , Sodium Sulphide Anhydrous ,Gels flocculant . Items won certifications with the regional and international primary authorities. For far more detailed information, please contact us! The product will supply to all over the world, such as Europe, America, Australia,Costa rica , The Swiss ,United Kingdom , Madras .Strict quality control is executed in each link of the whole production process.We sincerely hope to establish the friendly and mutual-beneficial cooperation with you. Based on high quality products and perfect pre-sales /after-sales service is our idea, some clients had cooperated with us for more than 5 years.