List of Main Shareholders
Shareholders with more than 5% of shares or the top ten shareholders in terms of shareholding ratio
December 31, 2025
| Name of the Main Shareholder | Number of shares held | Shareholding Ratio (%) |
| China Steel Corporation | 66,487,844 | 33.24% |
| Everbright Holdings Co., Ltd. | 21,900,000 | 10.95% |
| Taiwan Mask Corporation | 14,329,000 |
7.16% |
| IHI Corporation (Japan) | 11,061,690 | 5.53% |
| Berlin Co., Ltd. | 9,041,000 | 4.52% |
| Yung Chi Paint & Varnish MFG. Co., Ltd. | 5,000,000 | 2.50% |
| Hui-Zhen Wu Lai | 4,347,000 | 2.17% |
| Dragon Steel Corporation | 4,217,000 | 2.11% |
| Great Grandeul Steel Co., Ltd. | 3,899,000 | 1.95% |
| Employee's Stock Trust of China Steel Structure Co., Ltd. under the custody of Mega International Commercial Bank Co., Ltd. | 3,842,352 | 1.92% |