High-quality comes 1st; assistance is foremost; business enterprise is cooperation is our business enterprise philosophy which is constantly observed and pursued by our business for China CAS No.: 16721-80-5 and Industrial Grade, Sodium Sulphide 9-Hydrate , sulfureto de sódio hidratado , Un1814 Potassium Hydroxide Solution ,Sodium Hydrosulfide For Watertreatment . We encourage you to make contact as we are looking for partners in our venture. We are sure you will find doing business with us not only fruitful but also profitable. We are ready to serve you with what you require. The product will supply to all over the world, such as Europe, America, Australia,Indonesia , Plymouth ,Belgium , Singapore .With its rich manufacturing experience, high-quality products, and perfect after-sale service, the company has gained good reputation and has become one of the famous enterprise specialized in manufacturing series.We sincerely hope to establish business relation with you and pursue mutual benefit.