TYR made the Selenium (Se) material with 5 years experience, we do the sputtering targets and evaporation material.

Selenium (Se) metal sputtering targets, purity as 99.99%, 

Selenium (Se)  metal evaporation material: purity as 99.99%, shape as granules,

use in semiconductor the Selenide, like Lead Selenide (PbSe), purity as 99.99%,  the shape as plate, foil, sheet, disc, rod, granules, powder