HONGWU-20+ years experience in nanoparticles production & delivery. Al2O3 Nanopowder for Electronic Ceramic Parts, Pure Silver Powder , Germanium Nanoparticles , Nano Silver Manufacturers ,Multi Walled Carbon Nanotubes . We offer products and service for researchers, distributors and end users at home and abroad. If any need welcome to inquiry! The product will supply to all over the world, such as Europe, America, Australia,Colombia, Mauritius,Sudan, Bahrain.Get more feel free to contact us.