precious metal powder - China Manufacturers, Factory, Suppliers

HONGWU has been manufacturing and supplying advanced nano and micro materials, carbon materials [nanodiamond, graphene, graphene oxide (GO), Fullerene C60, carbon nanotubes (CNT)], metal, alloy and oxide nanoparticles, electrode materials for batteries and supercapacitors as well as tailor-made nanomaterials and innovative material. We are proud to have gained the experience of working and cooperation in the market of over 100 countries worldwide. precious metal powder, 300-500nm Amorphous Silicon Nanoparticles , Precious Metal Catalyst , Germanium Nanoparticle , Customized & ISO certified & Factory prices & Worldwide shipping.