We're convinced that with joint endeavours, the business between us will bring us mutual benefits. We are able to guarantee you products high quality and competitive value for SODIUM HYDROSULPHIDE 32%-42%, Na2s Manufacturer , hidrosulfuro sódio hidratato , Sodium Bisulfide ,Barium Sulphate Cas No.7727-43-7 . Your aid is our everlasting power! Warmly welcome clients in your own home and abroad to go to our enterprise. The product will supply to all over the world, such as Europe, America, Australia,Colombia , Angola ,Puerto Rico , Paris .The quality of our products is equal to OEM's quality, because our core parts are the same with OEM supplier. The above products have passed professional certification, and we not only can produce OEM-standard products but we also accept Customized Products order.