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 Fe3O4 dispersion, Palladium Catalyst , Nickel Coated Carbon Nanotubes , 100nm Nickel Nanoparticles ,Colloidal Gold Liquid . Get more feel free to contact us. The product will supply to all over the world, such as Europe, America, Australia,Sierra Leone, Czech Republic,Belgium, Argentina.If you're planning to order small sample or larger quantities for your academic or industrial needs, please not hesitate to contact us.