| Wuyige/Daxin | 26-May-22 | | | |
| BDO (China) | 03-Jun-21 | 26-May-22 | | Due to the needs of business development and the audit of the Company |
| Wuyige/Daxin | 13-Jan-20 | 03-Jun-21 | | Historical transition (details not available in archive) |
| Ruihua CPA | 22-Jun-18 | 13-Jan-20 | | Historical transition (details not available in archive) |
| BDO (China) | 22-Dec-17 | 22-Jun-18 | | Historical transition (details not available in archive) |
| BDO (China) | 26-Jun-13 | 23-Jun-17 | | Historical transition (details not available in archive) |
| PwC (China) | 21-Jun-11 | 26-Jun-13 | | Historical transition (details not available in archive) |
| PwC (HK) | 09-Apr-99 | 21-Jun-11 | | Historical transition (details not available in archive) |
| PwC (HK) | 21-Oct-97 | 09-Apr-99 | | Historical transition (details not available in archive) |