HONGWU has had the pleasure of helping academic researchers and industry innovators alike reach their goals by providing excellent materials and expertise. silver colloidal, Cnt Carbon Nanotube , 91% Single Walled Carbon Nanotubes Water Dispersion , Ito Nano Powders ,30-50nm Spherical Silicon Nanoparticles . 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,US, Pretoria,Ireland, Norway.Carbon Nanotubes (SWCNT,DWCNT,MWCNT and functioned nanotubes) ;