| Symbol | Name | Country | Exchange |
|---|---|---|---|
| 3008 | LARGAN Precision Co Ltd | TW | TW |
| 3019 | Asia Optical Co Inc | TW | TW |
| 3504 | Young Optics Inc | TW | TW |
| 4976 | Calin Technology Co Ltd | TW | TW |
| 6209 | Kinko Optical Co Ltd | TW | TW |
| 6668 | Zhong Yang Technology Co Ltd | TW | TW |
| LPZB | LightPath Technologies Inc | DE | F |
| SXC | Sunny Optical Technology (Group) Company Limited | DE | F |