Control the quality by the details, show the strength by quality. Our company has strived to establish a highly efficient and stable staff team and explored an effective quality control process for 70% Sodium Hydrosulphide/Sodium Hydrosulfide, Caustic Solid , Anionic Polyacrylamide Flocculant , Sodium Sulfide for leather ,Sodium Hydrosulphide 70 Nahs For Tannage . We are looking forward to establishing cooperative relationships with you. Please contact us for more information. The product will supply to all over the world, such as Europe, America, Australia,America , Romania ,Dubai , Romania .All of our products comply with international quality standards and are greatly appreciated in a variety of markets around the world. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients in the near future.