| 1. Silicon wafer |
| .Size 4", 5", 6", 12", Grade Prime grade, Test grade, Dummy grade Dopant P(Boron), N(Phosphorus), Antimony, |
| LED |
| LED Sapphire wafer, GaN wafer . |
| 3. Solar sell |
| Solar cell . Solar cell Scrap, Ingot, Coin roll wafer, Poly silicon . |
|
Solar sell Solar cell Scrap, Ingot, Coin roll wafer, Poly silicon |