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 Ru for catalyst, Nickelcoated Mwcnts , Length 1-2um -Cooh Functionalized Multi Walled Carbon Nanotubes , Nano Silver Price ,Double Walled Carbon Nanotubes . Quality comes first, service and customer experience are also value. - HONGWU NANO. The product will supply to all over the world, such as Europe, America, Australia,Morocco, Austria,Southampton, Nepal.For more information, just kindly contact us. If you have anything you want to know, we will do our best to answer for you. We can't wait to partner with you.