Tsui, Ryan Long Hang 崔朗鏗

Please note that due to the planned shutdown of Webb-site.com, the directors, officers and advisers of HK-listed companies will cease to be updated effective 2025-03-31. Appointments and resignations effective on or before that date will be recorded, as will advisers recorded in annual reports filed on or before that date. We intend to make a data dump available after processing the final filings.
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SFC roles

Organisation Position From Until
1 Ark Securities (Hong Kong) Limited RepRepresentative 2019-12-09 2020-03-26
2 CAITONG INTERNATIONAL CAPITAL CO., LIMITED RepRepresentative 2020-04-20 2021-09-30
3 MESSIS CAPITAL LIMITED RepRepresentative 2017-09-28 2019-11-20
RepRepresentative 2021-10-28 2023-06-30
4 PLATINUM SECURITIES COMPANY LIMITED RepRepresentative 2023-07-18 2025-07-03
Resp OffResponsible Officer 2025-07-03 2025-09-13

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