We specialised in trade business which involves a wide range of plastic raw materials (resin), electronic materials, semiconductors, chloroprene rubber, special element additives, injection machines, paints and etc.
Evaluation used for inspections and experiments in the post-process of semiconductor equipment.
| standard | |||
| Diameter | 150mm | 200mm | 300mm |
| Type | P / N | P / N | P / N |
| Notch | SEMI / JEIDA | Notch / OF | Notch |
| Thickness | 675 ± 25/625 ± 25 | 725 ± 25 | 775 ± 25 |
| Surface | Polished | Polished | Polished |
| Back side | Etched | Etched | Polished |
| Packaging | CoinRoll | CoinRoll | CoinRoll |