Hongwu International Group Ltd, with HWNANO brand, is a high-tech enterprise focusing on manufacturing, research, development and processing of nanoparticles, nanopowders, micron powders. We have our own nano powders production base and R&D center located in Xuzhou, Jiangsu, mainly supplying silver nanoparticle, copper nanoparticle, silicon carbide whisker/powder, carbon nanotubes, graphene, aluminum oxide nanopartilce, silicon nitride powder, silver nanowires and other nano materials with small quantity for researchers and bulk order for industry groups.
Could supply WO3 Tungsten Trioxide nanoparticles in yellow, blue or purple.
Our tungsten trioxide nanopowders not only has blue color, but also have yellow or purple color.