| Symbol | Name | Country | Exchange |
|---|---|---|---|
| AAOI | Applied Optoelectronics, Inc. | US | NASDAQ |
| 138080 | OE Solutions Co. Ltd | KR | KQ |
| 002902 | Dongguan Mentech Optical & Magnetic Co Ltd | CN | SHE |
| 300353 | Kyland Technology Co Ltd | CN | SHE |
| 3689 | UD Electronic | TW | TWO |
| 6530 | Axcen Photonics | TW | TWO |