If you're planning to order small sample or larger quantities for your industrial or academic needs, please note that customization of parameters are available, such as size, functionalities, SSA, packages,etc. spherical Ag powder, Silver Nano , Nano Silver Colloid , 100nm Silver Nanoparticles ,Antimony Doped Tin Oxide (Ato) . Hongwu focus on R&D, production, supply and after-sales of nano particles. Our company is established in 2002, with manufacture base locates in Xuzhou city, Jiangsu province china, is among China’s earliest companies enter into nano particles advanced material industry. The product will supply to all over the world, such as Europe, America, Australia,Latvia, belarus,Macedonia, Atlanta.Customized & ISO certified & Factory prices & Worldwide shipping.