Manufacture and Supply :Nano Silver/Copper/Nickel/Zinc/Iron/Colbalt/Tin / Bismuth/ Iron Particles with diameters between 20 nm to 200 nm; Purity ≥ 99.7% or ≥ 99.99% or  as required;
Prepared with special process, Nano metal particles manufactured by Wyman are of high purity; uniform in size; sphere-like in shape; of good dispersion; excellent in oxidative stability; good in sintering shrinkage; etc..