| Au Wing Han | 24-Apr-26 | | J-CoSec, AuRep, Proc Agt | | |
| Chen Weiping | 16-Jun-21 | | INED | | |
| Hu Shujun | 16-Jun-15 | | Sup | | |
| Chan Yin Wah | 07-Mar-22 | 24-Apr-26 | CoSec | | Resignation. |
| Chan Yin Wah | | 24-Apr-26 | J-CoSec, AuRep, Proc Agt | | Resignation. |
| Hu Weijun | 18-Jun-24 | 05-Jan-26 | ED | | Resigned to improve the governance structure of the Board. Will continue to serve as a director and the general manager of the Company’s subsidiary, Xinte Silicon-based New Material Co., Ltd. |
| Yang Xiaodong | 18-Jun-24 | 05-Jan-26 | GM | | Resigned due to work adjustment and re-designated from Executive Director to Non-Executive Director due to changes in role and responsibilities. |
| Yang Xiaodong | 06-Sep-24 | 05-Jan-26 | ED | | Resigned due to work adjustment and re-designated from Executive Director to Non-Executive Director due to changes in role and responsibilities. |
| Huang Hanjie | 16-Jun-21 | 24-Nov-25 | Non-Executive Director | | Redesignated from a non-executive Director to an Executive Director due to re-allocation of job duties. Appointed as the Chairman. |
| Zhang Jianxin | 01-Feb-08 | 24-Nov-25 | Dir | | Accepted an appointment to specialize in strategic planning and development of TBEA Co., Ltd., the controlling shareholder of the Company. |
| Zhang Jianxin | 16-Jul-12 | 24-Nov-25 | Ch | | Accepted an appointment to specialize in strategic planning and development of TBEA Co., Ltd., the controlling shareholder of the Company. |
| Zhang Jianxin | | 24-Nov-25 | ED | | Accepted an appointment to specialize in strategic planning and development of TBEA Co., Ltd., the controlling shareholder of the Company. |
| Kong Ying | 27-Jun-24 | 14-Mar-25 | Dep GM, ED | | Resignation due to personal career development. |
| Cao Huan | 16-Jun-08 | 14-Feb-25 | Sup | | Mr. Cao was removed from his position as he has not performed his duties of his relevant position in the Company for a number of days consecutively. Except the dispute between Mr. Cao and the Company regarding the payment of his salary during the period in which he held his managerial position in the Company, there is no other disagreement between him, the Board and the Supervisory Board |
| Cao Huan | | 14-Feb-25 | Employee Representative Supervisor | | Mr. Cao was removed from his position as he has not performed his duties of his relevant position in the Company for a number of days consecutively. Except the dispute between Mr. Cao and the Company regarding the payment of his salary during the period in which he held his managerial position in the Company, there is no other disagreement between him, the Board and the Supervisory Board |
| Kong Ying | 18-Jun-24 | 27-Jun-24 | Non-Executive Director | | Redesignation to Executive Director |
| Guo Junxiang | 01-Feb-08 | 17-Jun-24 | Non-Executive Director | | No reasons provided |
| Xia Jinjing | 15-Jun-18 | 17-Jun-24 | ED | | No reasons provided |
| Yin Bo | 16-Jul-12 | 17-Jun-24 | Sup | | Due to change of job assignment |
| Yin Bo | 01-Jun-15 | 17-Jun-24 | Dep GM, ED | | Due to change of job assignment |
| Yin Bo | 03-Mar-16 | 17-Jun-24 | GM | | Due to change of job assignment |
| Ng Wing Shan | 11-May-15 | 07-Mar-22 | CoSec | | No reasons provided |
| Ng Wing Shan | | 07-Mar-22 | J-CoSec, AuRep, Proc Agt | | No reasons provided |
| Ma Junhua | 15-Jun-18 | 16-Jun-21 | Sup | | |
| Qin Hai Yan | 01-Jun-15 | 16-Jun-21 | INED | | |
| Wong Marcellus Yui Keung | 01-Jun-15 | 16-Jun-21 | INED | | |
| Yang Deren | 01-Jun-15 | 16-Jun-21 | INED | | |
| Qin Xiaodong | 16-Jun-20 | 11-Jan-21 | Non-Executive Director | | |
| Tam Banny Kwok Ming | 16-Jun-21 | 01-Dec-20 | INED | | |
| Wang Shi | 28-Jun-19 | 24-Apr-20 | Non-Executive Director | | |
| Lin Chengfei | 12-Dec-18 | 13-Mar-19 | Non-Executive Director | | |
| Tao Tao | 16-Jun-17 | 28-Jun-18 | Non-Executive Director | | |
| Wu Wei | 16-Jul-12 | 15-Jun-18 | Sup | | |
| Zhang Yueqiang | 14-Apr-16 | 15-Jun-18 | Sup | | |
| Han Shu | 15-Jun-18 | 10-Aug-17 | Sup | | |
| Wang Jian | 01-Apr-15 | 08-Mar-17 | Non-Executive Director | | |
| Guo Hao | 16-Jun-21 | 26-May-16 | Sup | | |
| Nan Xinjian | 16-May-15 | 14-Apr-16 | Sup | | |
| Ma Xuping | 01-Jul-12 | 03-Mar-16 | ED, GM | | |
| Zhang Juan | 01-Aug-06 | 12-Jun-14 | CoSec | | |
| Zhang Xin | 01-Feb-08 | 16-Jul-12 | Ch | | |
| Chen Qijun | 16-Jun-15 | 21-Mar-12 | ChSup | | |
| Wang Shufeng | 14-Feb-25 | 16-Jul-09 | Sup | | |
| Cui Xiang | 16-Jun-21 | 12-May-08 | INED | | |