| Zhonghui Anda CPA | 24-Jun-20 | | | |
| Ernst & Young (Hong Kong) | 24-May-17 | 24-Jun-20 | | Historical transition (details not available in archive) |
| BDO | 23-May-13 | 24-May-17 | | Historical transition (details not available in archive) |
| RSM (Hong Kong) | 12-Mar-13 | 23-May-13 | | Historical transition (details not available in archive) |
| BDO | 29-Mar-11 | 18-Feb-13 | | Historical transition (details not available in archive) |
| JBPB & Co. | 23-Sept-04 | 29-Mar-11 | | Historical transition (details not available in archive) |
| KPMG (Hong Kong) | 30-Sept-03 | 23-Sept-04 | | Historical transition (details not available in archive) |