20nm gold - China Manufacturers, Factory, Suppliers

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. 20nm gold, 30-50nm Bismuth Oxide Nanoparticles , Colloidal Platinum , Nano Silver Solution , If you're planning to order small sample or larger quantities for your industrial or academic needs, please note that customization of parameters are available, such as size, functionalities, SSA, packages,etc.