We pay special attention to the quality assurance of the products and services we deliver. We believe that this is the best way to make products work as effectively as possible. yellow wo3, Hydrophobic Silicon Dioxide Nanoparticles , 70nm Tungsten Nanoparticles , Nickel Coated Carbon Nanotubes ,20-30nm Iron Oxide Nanoparticles . Hongwu Nano is a manufacturer specializing in R&D, production and sales of high-quality nanomaterials suitable for various industries. Hongwu Nano has the expertise in the development of nano-material products, and has long-term stable production and supply of various high-quality nano-material products. We provide flexible customized production services to users with high-quality unique products and ensure complete confidentiality. The product will supply to all over the world, such as Europe, America, Australia,Turin, Luxembourg,Mecca, Rio de Janeiro.Customized & ISO certified & Factory prices & Worldwide shipping. Get more feel free to contact us.