continue on to further improve, to make sure product top quality in line with market and consumer standard requirements. Our firm has a excellent assurance program have already been established for China Sodium Hydro Sulfide and CAS No: 16 721-80-5, Sodium Sulfide Anhydrous , Chemical Formula Caustic Soda , Sodium Sulfide Flakes ,Sodium sulfide . Our purpose is always to build Win-win scenario with our customers. We feel we are going to be your greatest choice. Reputation To start with, Buyers Foremost. Waiting for your inquiry. The product will supply to all over the world, such as Europe, America, Australia,Czech , Canberra ,kazakhstan , Lithuania .If you need to have any of our merchandise, or have other items to be produced, make sure you send us your inquiries, samples or in depth drawings. Meanwhile, aiming to develop into an international enterprise group, we look forward to receiving offers for joint ventures and other cooperative projects.