| Au Wing Han | 24-Apr-26 | | Proc Agt, J-CoSec. | | |
| Wang Shufeng | 14-Feb-25 | | Sup | | |
| Chan Yin Wah | 07-Mar-22 | | CoSec | | |
| Tam Banny Kwok Ming | 16-Jun-21 | | INED | | |
| Cui Xiang | 16-Jun-21 | | INED | | |
| Chen Weiping | 16-Jun-21 | | INED | | |
| Guo Hao | 16-Jun-21 | | Sup | | |
| Han Shu | 15-Jun-18 | | Sup | | |
| Chen Qijun | 16-Jun-15 | | Sup Ch | | |
| Hu Shujun | 16-Jun-15 | | Sup | | |
| Zhang Xin | 16-Jul-12 | | NED | | |
| Zhang Juan | | | CoSec | | |
| Yang Xiaodong | 06-Sep-24 | 05-Jan-26 | GM, ED | | Resigned due to work adjustment and re-designated from Executive Director to Non-Executive Director due to changes in role and responsibilities. |
| 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. |
| 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. |
| 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 | 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 | NED | | Redesignation to Executive Director |
| Guo Junxiang | 01-Feb-08 | 17-Jun-24 | NED | | No reasons provided |
| Yin Bo | 01-Jun-15 | 17-Jun-24 | ED, Dep GM | | Due to change of job assignment |
| Yin Bo | 03-Mar-16 | 17-Jun-24 | GM | | Due to change of job assignment |
| Yin Bo | 16-Jul-12 | 17-Jun-24 | Sup | | Due to change of job assignment |
| Xia Jinjing | 15-Jun-18 | 17-Jun-24 | ED | | No reasons provided |
| Ng Wing Shan | 11-May-15 | 07-Mar-22 | CoSec | | No reasons provided |
| Ng Wing Shan | | 07-Mar-22 | J-CoSec., Proc Agt | | No reasons provided |
| Wong Marcellus Yui Keung | 01-Jun-15 | 16-Jun-21 | INED | | |
| Ma Junhua | 15-Jun-18 | 16-Jun-21 | Sup | | |
| Qin Hai Yan | 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 | | |
| Wu Wei | 16-Jul-12 | 15-Jun-18 | Sup | | |
| Zhang Yueqiang | 14-Apr-16 | 15-Jun-18 | Sup | | |
| Ma Xuping | 03-Mar-16 | 15-Jun-18 | ED | | |
| 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 | GM | | |
| Zhang Xin | 01-Feb-08 | 16-Jul-12 | Ch | | |