We intention to see quality disfigurement within the creation and supply the ideal support to domestic and overseas buyers wholeheartedly for Sodium Hydrosulphide 70%, HS CODE No.28301090 , Protein Precipitation With Ammonium Sulfate Molecular Formula Of Barium Sulfate , Colorless To Light-Yellow Liquid ,Sodium Penta Sulphide . Should further information be required, please contact us at any time! The product will supply to all over the world, such as Europe, America, Australia,Hanover , Maldives ,Sheffield , Senegal .We'll continue to devote ourselves to market & product development and build a well-knit service to our customer to create a more prosperous future. Please contact us today to find out how we can work together.