| L.K. Technology Holdings Limited | 00558 | 01-Mar-24 | | CoSec | | |
| BII Railway Transportation Technology Holdings Company Limited | 01522 | 01-Jan-24 | | CoSec | | |
| BII Railway Transportation Technology Holdings Company Limited | 08240 | 01-Jan-24 | | CoSec | | |
| Linmon Media Limited | 09857 | 21-Jun-23 | | CoSec | | |
| Runhua Living Service Group Holdings Limited | 02455 | 29-May-23 | | CoSec | | |
| China Aluminum International Engineering Corporation Limited | 02068 | 27-Apr-23 | | CoSec | | |
| GREAT WALL MOTOR COMPANY LIMITED (CN) | 02333 | 23-Sep-22 | | CoSec | | |
| GREAT WALL MOTOR COMPANY LIMITED (CN) | 82333 | 23-Sep-22 | | CoSec | | |
| ALUMINUM CORPORATION OF CHINA LIMITED | 02600 | 22-Jul-22 | | CoSec | | |
| HUADIAN POWER INTERNATIONAL CORPORATION LIMITED | 01071 | 31-May-22 | | CoSec | | |
| iDreamSky Technology Holdings Limited | 01119 | 30-Mar-22 | | CoSec | | |
| Homeland Interactive Technology Ltd. | 03798 | 28-Mar-22 | | CoSec | | |
| China Kepei Education Group Limited | 01890 | 07-Jan-22 | | CoSec | | |
| China Galaxy Securities Co., Ltd. | 06881 | 23-Dec-21 | | CoSec | | |
| JW (Cayman) Therapeutics Co. Ltd | 02126 | 17-Dec-21 | | CoSec | | |
| China YuHua Education Corporation Limited | 06169 | 30-Nov-21 | | CoSec | | |
| Shanghai Pioneer Holding Ltd | 01345 | 15-Mar-19 | | CoSec | | |
| Duiba Group Limited | 01753 | 28-Sep-18 | | CoSec | | |
| Zhaojin Mining Industry Company Limited | 01818 | 24-Aug-18 | | CoSec | | |
| Baiying Holdings Group Limited | 08525 | 16-Nov-17 | | CoSec | | |
| Quanzhou Huixin Micro-credit Co., Ltd | 01577 | 25-Jan-16 | | CoSec | | |
| Desun Real Estate Investment Services Group Co., Ltd. | 02270 | | | CoSec | | |
| Linmon Media Limited | 09857 | 21-Jun-23 | 02-Apr-26 | J-CoSec | | Resignation due to change of work arrangements. |
| Fulu Holdings Limited | 02101 | 30-Jun-21 | 28-Aug-25 | CoSec | | Resigned due to other work arrangement. |
| Changsha Broad Homes Industrial Group Co., Ltd. | 02163 | 17-Dec-21 | 24-Mar-25 | CoSec | | |
| Tailam Tech Construction Holdings Limited | 06193 | 24-Jun-22 | 18-Jun-24 | CoSec | | |
| Tsaker New Energy Tech Co., Limited | 01986 | 25-Mar-22 | 15-Dec-23 | CoSec | | |
| LEPU ScienTech Medical Technology (Shanghai) Co., Ltd. | 02291 | 09-Jun-21 | 18-Jul-23 | CoSec | | |
| Dowway Holdings Limited | 08403 | 16-Jul-21 | 03-Feb-23 | CoSec | | No reasons provided |
| Flydoo Technology Holding Limited | 08069 | 06-Jul-16 | 14-Dec-22 | CoSec | | No reasons provided |
| China Aluminum International Engineering Corporation Limited | 02068 | 12-Apr-19 | 12-May-22 | CoSec | | |
| XINDA INVESTMENT HOLDINGS LIMITED | 01281 | 31-Aug-16 | 01-Oct-19 | CoSec | | |
| Sun.King Technology Group Limited | 00580 | 18-Oct-18 | 01-Apr-19 | CoSec | | |
| Haitian Energy International Limited | 01659 | 21-Feb-19 | 05-Mar-19 | CoSec | | |
| Haitian Energy International Limited | 08261 | 21-Feb-19 | 05-Mar-19 | CoSec | | |
| Rui Feng Group Holdings Company Limited | 08312 | 23-Nov-16 | 13-Jul-17 | CoSec | | |