We will make every effort to be outstanding and perfect, and accelerate our steps for standing in the rank of international top-grade and high-tech enterprises for factory, Sodium Sulfide(Anhydrous) , Sodium Hydrosulphite liquid For paper , Sodium Sulfide Flakes ,Sodium Hydrogen Sulfide . We guaranteed quality, if customers were not satisfied with the products' quality, you can return within 7days with their original states. The product will supply to all over the world, such as Europe, America, Australia,Nigeria , Puerto Rico ,Karachi , Argentina .With all these supports, we can serve every customer with quality product and timely shipping with highly responsibility. Being a young growing company, we might not the best, but we're trying our best to be your good partner.