HONGWU-20+ years experience in nanoparticles production & delivery. Alpha 1-2um Aluminum Oxide Nanoparticles, Nano Azo Powder , Amorphous Silicone Powder , Alumina Powder ,Length 5-20um Nickel Coated Multi Walled Carbon Nanotubes . 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,Comoros, Oman,Australia, Liverpool.If you're planning to order small sample or larger quantities for your industrial or academic needs, please note that customization of parameters are available, such as size, functionalities, SSA, packages,etc.