Each batch of nanoparticles is extensively characterized using techniques including SEM or TEM, XRD, COA, etc. In addition to ensuring that every batch of nanoparticles meets our stringent quality control requirements, customers are provided with batch-specific specification sheets containing representative SEM/TEM images, Coatings, dispersions, and solution pH. nano azo, 70nm Zinc Nanoparticles , Nano Azo , Silver Nanowires Transparent Conductive Ink ,Zirconium Oxide Powder Ceramic . Customized & ISO certified & Factory prices & Worldwide shipping. Get more feel free to contact us. The product will supply to all over the world, such as Europe, America, Australia,Rome, Venezuela,Bolivia, Costa rica.Customized & ISO certified & Factory prices & Worldwide shipping.