List of Major Shareholders (Names, Shareholdings, and Ownership Percentages of Shareholders Holding More Than 5% of Shares or Ranking Among the Top Ten Shareholders by Ownership)
| Major Shareholders | Shareholdings | Shareholding ratio |
| Investment account of Tri-Tech Holding Inc in custody of CTBC Bank Co., Ltd. | 7,941,294 | 14.66% |
| Pi, ○○ | 3,635,541 | 6.71% |
| Metropolitan International Development Co., Ltd. | 2,499,000 | 4.61% |
| Qihang Investment Co., Ltd. | 2,065,000 | 3.81% |
| Li, ○○ | 2,002,001 | 3.70% |
| Employee stock ownership trust of Associated Industries China, Inc. in custody of First Commercial Bank | 1,990,046 | 3.67% |
| Hsiao, ○○ | 1,565,132 | 2.89% |
| Chang, ○○ | 1,542,000 | 2.85% |
| Yu, ○ | 1,465,356 | 2.71% |
| Yang, ○○ | 1,327,000 | 2.45% |
List of Major Shareholders (Names, Shareholdings, and Ownership Percentages of Shareholders Holding More Than 5% of Shares or Ranking Among the Top Ten Shareholders by Ownership)
| Major Shareholders \ Shares | Shareholdings | Shareholding ratio |
| Investment account of Tri-Tech Holding Inc in custody of CTBC Bank Co., Ltd. | 8,011,294 | 14.66% |
| Pi, ○○○ | 3,502,541 | 6.41% |
| Chang, ○○○ | 2,177,000 | 3.98% |
| Employee stock ownership trust of Associated Industries China, Inc. in custody of First Commercial Bank | 2,022,706 | 3.70% |
| Qihang Investment Co., Ltd. | 1,902,000 | 3.48% |
| Hsiao, ○○○ | 1,631,132 | 2.98% |
| Yu, ○○○ | 1,465,356 | 2.68% |
| Yang, ○○○ | 1,320,000 | 2.42% |
| Wen, ○○○ | 1,265,512 | 2.32% |
| Trust account of restricted stock with voting rights and right to receive dividends for employees of Associated Industries China, Inc. in custody of First Commercial Bank | 1,242,000 | 2.27% |
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