continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for Sodiummercaptan and Sodium Bisulfide, sodium sulphidic NA2S , Barium Sulphate for Ink , Barite Drilling Fluid ,Sodium Hydrosulphite liquid For mining . The concept of our company is Sincerity, Speed, Service, and Satisfaction. We will follow this concept and win more and more customers' satisfaction. The product will supply to all over the world, such as Europe, America, Australia,San Diego , Zambia ,Nepal , South Korea .Our mission is to deliver consistently superior value to our customers and their clients. This commitment permeates everything we do, driving us to continuously develop and improve our products and the processes to fulfill your needs.