We continue to keep increasing and perfecting our solutions and service. At the same time, we operate actively to do research and enhancement for ssf.Sodium Sulfide 60%, Barium Sulphate Molecular Formula , Sodium Hydroxide And Potassium Hydroxide , Chemical Formula Sodium Sulfide ,Sodium Sulphide Hydrate . We have deep cooperation with hundreds of factories around China. The products we provide can match with your different demands. Choose us, and we won't make you regret! The product will supply to all over the world, such as Europe, America, Australia,Cairo , Greece ,Tunisia , Swiss .We have now 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export solutions to other countries. We expect to cooperate with you to develop a larger market.