HONGWU-20+ years experience in nanoparticles production & delivery. Ni nickel nano, 500nm Silver Nanoparticles , Pure M phrase Vanadium oxide nanoparticles , Length 1-2um -Cooh Functionalized Multi Walled Carbon Nanotubes ,100-200nm Vanadium Oxide Nanoparticles . If you're planning to order small sample or larger quantities for your industrial or academic needs, please note that customization of parameters are also available, such as size, functionalities, SSA, packages,etc. The product will supply to all over the world, such as Europe, America, Australia,Eindhoven, Stuttgart,South Korea, Tunisia.If you're planning to order small sample or larger quantities for your industrial or academic needs, please note that customization of parameters are also available, such as size, functionalities, SSA, packages,etc. Customized & ISO certified & Factory prices & Worldwide shipping. Contact us get more info.