Reinforced / toughened materials, thermal insulation materials, polishing materials, wave absorbing materials, catalysts, filler, pigment etc. nano Fe3O4 China factory, 300nm Copper Nanoparticles, Zno Nanoparticles , Cuprous Oxide Nanoparticle ,Copper Nanowires . 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,Sri Lanka, Russia,Dominica, Jersey.Customized & ISO certified & Factory prices & fast shipping. Get more feel free to contact us.