| Mason Securities Limited | RO | 提供资产管理 | 2020-02-24 | 2020-04-29 |
| MASON INVESTMENT MANAGEMENT LIMITED | RO | 证券交易 | 2019-03-22 | 2020-04-29 |
| THOMAS GLOBAL FINANCIAL SERVICES LIMITED | Rep | 证券交易 | 2018-03-14 | 2019-06-14 |
| MASON INVESTMENT MANAGEMENT LIMITED | RO | 就证券提供意见 | 2017-12-19 | 2020-04-29 |
| RO | 提供资产管理 | 2017-12-19 | 2020-04-29 |
| Rep | 就证券提供意见 | 2017-09-27 | 2017-12-19 |
| Rep | 提供资产管理 | 2017-09-27 | 2017-12-19 |
| Mason Securities Limited | RO | 就证券提供意见 | 2016-12-01 | 2017-09-08 |
| RO | 提供资产管理 | 2016-12-01 | 2017-09-08 |
| Rep | 就证券提供意见 | 2016-10-17 | 2016-12-01 |
| Rep | 提供资产管理 | 2016-10-17 | 2016-12-01 |
| Rep | 证券交易 | 2016-10-17 | 2019-07-05 |
| SUMITOMO MITSUI DS ASSET MANAGEMENT (HONG KONG) LIMITED | RO | 就证券提供意见 | 2012-02-09 | 2016-02-29 |
| RO | 提供资产管理 | 2012-02-09 | 2016-02-29 |
| RO | 证券交易 | 2012-02-09 | 2016-02-29 |