Carbon Nanotubes(SWCNT,DWCNT,MWCNT and functioned nanotubes) ; high purity germanium powder, Colloidal Platinum Liquid , Cesium Tungsten Bronze , Silicon Powder ,20nm Silver Nanoparticles . The increasingly serious energy shortage and environmental pollution problems have prompted us to actively explore the use of clean new energy to replace traditional fossil energy. The rapid development of nanomaterials has opened up a new way for energy conversion and utilization. Our company-Hongwu International Group Ltd ( Brand HONGWU NANO ) are happy to be part of eco-friendly industry as a nano material manufacturer and supplier. The product will supply to all over the world, such as Europe, America, Australia,Sierra Leone, Bogota,Burundi, Bangladesh.Carbon Nanotubes (SWCNT,DWCNT,MWCNT and functioned nanotubes) ;