Hongwu International Group is a company that focuses on the manufacturing, research, development, and processing of nanoparticles, nanopowders, and micron powders. It provides customers with silver nanoparticles, copper nanoparticles, silicon carbide whisker/powder, carbon nanotubes, graphene, aluminum oxide nanoparticles, silicon nitride powder, silver nanowires, and other nanomaterials.