Customized & ISO certified & Factory prices & Worldwide shipping. improve thermal shock resistance, 20nm Nickel Nanoparticles , Iron Oxide Powder Fe3o4 , Hydrophobic Silica ,Transparent Silver Solution . Quality comes first, service and customer experience are also value. - HONGWU NANO. The product will supply to all over the world, such as Europe, America, Australia,Brisbane, Turkey,Montpellier, Mali.Hongwu is a very powerful nanomaterial manufacturer, it was established in 2002, the production and sales of nano and micron powders and dispersions, etc. At the same time, it has passed the quality certification of ISO9001. In cooperation with many well-known manufacturing and scientific research institutions around the world, our products are all over the world. Our featured products in below,