| Symbol | Name | Country | Exchange |
|---|---|---|---|
| ONTZF | O-Net Technologies Group Ltd | US | OTC |
| 000500 | Gaon Cable | KR | KO |
| 600122 | Jiangsu Hongtu High Technology Co Ltd | CN | SHG |
| 600288 | Daheng New Epoch Technology Inc | CN | SHG |
| 000836 | Tianjin Xinmao Science and Technology Co Ltd | CN | SHE |
| 600703 | Sanan Optoelectronics Co Ltd | CN | SHG |
| 300698 | Wanma Technology Co Ltd | CN | SHE |
| 3441 | Unique Optical Industrial Co Ltd | TW | TWO |
| 5223 | Anli International Co Ltd | TW | TWO |
| 6125 | Kenmec Mechanical Engineering Co Ltd | TW | TWO |
| 3019 | Asia Optical Co Inc | TW | TW |