Silicon metal is a gray and shiny semiconductor metal, also known as crystalline silicon or industrial silicon, and is mainly used as an additive for non-ferrous alloys which smelted from quartz and coke in an electric furnace. The classification of metallic silicon is usually classified according to the content of iron, aluminum and calcium, silicon metal is divided into different grades.
88aa - 88aa Trang Chủ Nhà Cái Chính Thức |
King88
Konradsen Parker
Ceo Nguyễn Thành Long
Rr88
Bioherbalcare
Rasch Berman
28bet Vegas
Mills Duus
Nhà Cái Kl99