99.9999% 2-5mm High Purity Germanium Granule Germanium Pellet for Evaporation
China 99.9999% 2-5mm High Purity Germanium Granule Germanium Pellet for Evaporation, Find details about China Evaporation Metal Pellets, Evaporation Material from 99.9999% 2-5mm High Purity Germanium Granule Germanium Pellet for Evaporation