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. colloidal silver 500 ppm, Multi Walled Carbon Nanotubes , 100nm Copper Nanoparticles , Tin Nanoparticles ,Precious Metal Colloidal . We built a multi-disciplinary team of engineers with backgrounds in chemistry, physics and engineering, and committed to providing quality nanoparticles along with the answers to customer’s questions, concerns and comments. We always looking for ways to better our business and improve our product lines to meet the changing customer demands. The product will supply to all over the world, such as Europe, America, Australia,Kuwait, Grenada,Colombia, Egypt.For more information, just kindly contact us. If you have anything you want to know, we will do our best to answer for you. We can't wait to partner with you.