| Sin Kin On Johnny | 16-Jun-26 | | INED, MbStrC, MbNC, MbCC, MbAC | | |
| Au Wing Han | 24-Apr-26 | | J-CoSec, AuRep, Proc Agt | | |
| Wang Shufeng | 14-Feb-25 | | Sup | | |
| Chan Yin Wah | 07-Mar-22 | | CoSec | | |
| Chen Weiping | 16-Jun-21 | | INED | | |
| Cui Xiang | 16-Jun-21 | | INED | | |
| Guo Hao | 16-Jun-21 | | Sup | | |
| Tam Banny Kwok Ming | 16-Jun-21 | | INED | | |
| Han Shu | 15-Jun-18 | | Sup | | |
| Chen Qijun | 16-Jun-15 | | ChSup | | |
| Hu Shujun | 16-Jun-15 | | Sup | | |
| Zhang Jianxin | 16-Jul-12 | | Ch | | |
| Zhang Xin | 16-Jul-12 | | NED | | |
| Zhang Juan | | | CoSec | | |
| 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 | 06-Sep-24 | 05-Jan-26 | ED, GM | | 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 | NED | | Redesignated from a non-executive Director to an Executive Director due to re-allocation of job duties. Appointed as the Chairman. |
| Zhang Jianxin | | 24-Nov-25 | ED, MbStrC, MbNC | | Accepted an appointment to specialize in strategic planning and development of TBEA Co., Ltd., the controlling shareholder of the Company. |
| Huang Hanjie | | 24-Nov-25 | MbAC | | Redesignated from a non-executive Director to an Executive Director due to re-allocation of job duties. Appointed as the Chairman. |
| Kong Ying | 27-Jun-24 | 14-Mar-25 | Dep GM, ED | | Resignation due to personal career development. |
| Kong Ying | | 14-Mar-25 | MbNC | | Resignation due to personal career development. |
| Cao Huan | 16-Jun-08 | 14-Feb-25 | Sup | | |
| 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 |
| Yang Xiaodong | 18-Jun-24 | 06-Sep-24 | GM | | |
| Kong Ying | 18-Jun-24 | 27-Jun-24 | NED | | Redesignation to Executive Director |
| Guo Junxiang | 01-Feb-08 | 18-Jun-24 | NED | | |
| Xia Jinjing | 15-Jun-18 | 18-Jun-24 | ED | | |
| Yin Bo | 03-Mar-16 | 17-Jun-24 | ED, GM | | Due to change of job assignment |
| Yin Bo | | 17-Jun-24 | MbStrC | | Due to change of job assignment |
| Xia Jinjing | | 17-Jun-24 | MbNC | | No reasons provided |
| Guo Junxiang | | 17-Jun-24 | MbAC | | No reasons provided |
| Ng Wing Shan | 11-May-15 | 07-Mar-22 | CoSec | | |
| 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 | NED | | |
| Wang Shi | 28-Jun-19 | 24-Apr-20 | NED | | |
| Lin Chengfei | 12-Dec-18 | 13-Mar-19 | NED | | |
| Tao Tao | 16-Jun-17 | 28-Jun-18 | NED | | |
| Ma Xuping | 03-Mar-16 | 15-Jun-18 | ED | | |
| Wu Wei | 16-Jul-12 | 15-Jun-18 | Sup | | |
| Zhang Yueqiang | 14-Apr-16 | 15-Jun-18 | Sup | | |
| Wang Jian | 01-Apr-15 | 08-Mar-17 | NED | | |
| Nan Xinjian | 16-May-15 | 14-Apr-16 | Sup | | |
| Ma Xuping | 01-Jul-12 | 03-Mar-16 | ED, GM | | |
| Yin Bo | 01-Jun-15 | 03-Mar-16 | Dep GM, ED | | |
| Yin Bo | 16-Jul-12 | 16-May-15 | Sup | | |
| Zhang Jianxin | 01-Feb-08 | 16-Jul-12 | Dir | | |
| Zhang Xin | 01-Feb-08 | 16-Jul-12 | Ch, NED | | |