| PROLIFERATION ASSET MANAGEMENT LIMITED | RO | 就证券提供意见 | 2017-11-23 | 2022-06-01 |
| RO | 提供资产管理 | 2017-11-23 | 2022-06-01 |
| PRESTIGE SECURITIES LIMITED (HK) | Rep | 证券交易 | 2017-02-09 | 2017-09-29 |
| PRESTIGE ASSET MANAGEMENT LIMITED (HK) | RO | 就证券提供意见 | 2016-11-15 | 2017-09-29 |
| RO | 提供资产管理 | 2016-11-15 | 2017-09-29 |
| KARL-THOMSON COMMODITIES COMPANY LIMITED | Rep | 期货合约交易 | 2012-05-02 | 2016-11-10 |
| KARL-THOMSON SECURITIES COMPANY LIMITED | Rep | 提供资产管理 | 2012-03-29 | 2016-11-10 |
| Rep | 证券交易 | 2009-07-30 | 2016-11-10 |
| KARL THOMSON INVESTMENT CONSULTANTS LIMITED | Rep | 提供资产管理 | 2005-03-16 | 2016-11-10 |
| Rep | 就证券提供意见 | 2004-05-31 | 2016-11-10 |
| SSC MANDARIN FINANCIAL SERVICES LIMITED | Rep | 就证券提供意见 | - | 2004-02-09 |