Colloidal Silver

From Hongwu, you can easily purchase nanoparticles at great prices.We invite you to contact us for further info about our company and our capabilities. At HONGWU, we could be glad to be of service to you. We look forward to your suggestions and feedback. Colloidal Silver, Amorphous Boron Powder , High Conductivity , Cobalt Powder , Carbon Nanotubes (SWCNT,DWCNT,MWCNT and functioned nanotubes) ;