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.
Supply ceramic grade silicon nitride powder, solar cell grade silicon nitride in high purity, alpha or beta phase.