HONGWU-20+ years experience in nanoparticles production & delivery. 100-200nm Boron Nanoparticles, Sic Fibers , 200nm Silver Nanoparticles , Zirconium Oxide Powder Ceramic ,Nano Silver Dispersion . Our main focus is on the nano sized powder and particles. We stock a wide range of particle sizes for 10nm to 10um, and can also fabricate additional sizes on demand. Our products are divided six series hundreds of varieties: the elemental, the alloy, the compound and the oxide, carbon series, and nanowires. The product will supply to all over the world, such as Europe, America, Australia,San Francisco, Puerto Rico,Hongkong, Bahamas.Customized & ISO certified & Factory prices & Worldwide shipping.