3-5um Ag - China Manufacturers, Factory, Suppliers

Customized & ISO certified & Factory prices & Worldwide shipping. 3-5um Ag, Silicon Powder , 20-30nm Zinc Oxide Nanoparticles , 100nm Copper Nanoparticles , 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.