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. polishing used silicon dioxide nano, Cooh Functioned Mwcnts , Gold Nanowires , Bismuth Oxide Nanoparticles ,Ni Plated Mwcnts Nano Powder . Hongwu Nano Factory is a Chinese company that produces and sells nanomaterials, founded in 2002, has more than 20 years of experience. If you need to buy any inorganic nano powders and nanoparticles applicated in these fields such as antibacterial materials, conductive materials, battery materials, thermal conductive materials, flexible materials, Reinforced / toughened materials, thermal insulation materials, polishing materials, wave absorbing materials, catalysts, solar energy materials, filler, pigment etc. Please feel free to contact us! We also provide test data for Certificate of Analysis, Material Safety Data Sheet, and x-ray diffraction. Professional, attentive, win-win! The product will supply to all over the world, such as Europe, America, Australia,Venezuela, Malawi,Guatemala, Czech.If you're planning to order small sample or larger quantities for your academic or industrial needs, please not hesitate to contact us.