| Wuyige/Daxin | 15-Dec-23 | | | |
| BDO (China) | 30-Nov-17 | 15-Dec-23 | | To maintain the independence of the audit work after providing audit work for the Company for seven consecutive years. |
| BDO (China) | 29-Dec-16 | 30-Jun-17 | | Historical transition (details not available in archive) |
| Baker Tilly (HK) | 18-Mar-11 | 29-Dec-16 | | Historical transition (details not available in archive) |
| UHY Audit (hong Kong) | 31-Dec-08 | 02-Dec-10 | | Historical transition (details not available in archive) |
| BDO (China) | 15-Jun-00 | 14-Nov-08 | | Historical transition (details not available in archive) |
| Deloitte Hong Kong | 26-Apr-00 | 15-Jun-00 | | Historical transition (details not available in archive) |
| Deloitte Hong Kong | 19-Apr-96 | 26-Apr-00 | | Historical transition (details not available in archive) |