From Hongwu, you can easily purchase nanoparticles at great prices.We invite you to contact us for further info about our company and our capabilities.At HONGWU, we could be glad to be of service to you. We look forward to your suggestions and feedback. silver metal powder, 30-50nm Bismuth Oxide Nanoparticles , Length 5-20um -Oh Functionalized Multi Walled Carbon Nanotubes , Dwcnts Powders ,Sic Whiskers . 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,Bangladesh, Singapore,Malta, Austria.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.