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. 20-30nm IrO2, Cu Nano Copper Nano , Copper Powder , Nano Silver Colloid ,Cooh Functioned Cnts . HONGWU is an ISO certificated Chinese factory professional in ultrafine nano sized powder material produce and export, with nearly 20 years experience in this industry. We have developed mature and advanced production and quality control process, assure good and stable supplier for customers. Our products including element nanoparticles ( precious metal, base metal, alloys, non-metals), one-dimensional nano materials (AgNWs silver nanowires, CuNWs copper nanowires, ZnO nanowires, TiO2 nanotubes, carbon nanotubes cnts ), Oxides nanoparticles, Dispersions, etc. The product will supply to all over the world, such as Europe, America, Australia,Monaco, Leicester,United Arab Emirates, Cancun.If you're planning to order small sample or larger quantities for your academic or industrial needs, please not hesitate to contact us.