HONGWU has had the pleasure of helping academic researchers and industry innovators alike reach their goals by providing excellent materials and expertise. PVP coated Ag nanopowder, Silver Nanowires Nanowires , Iron Nanoparticles , 70nm Copper Nanoparticles ,80nm Silver Nanoparticles . Our main focus is on the nano sized powder and particles. We stock a wide range of particle sizes for 10nm to 10um, and can also fabricate additional sizes on demand. Our products are divided six series hundreds of varieties: the elemental, the alloy, the compound and the oxide, carbon series, and nanowires. The product will supply to all over the world, such as Europe, America, Australia,Paraguay, Norwegian,India, Macedonia.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.