關於「HKEX」標籤，搜尋引擎有相關的訊息討論：

Guidance Letters for New Applicants - HKEXGEM Rule Chapter 24, Guidance for Overseas Issuers, Guidance Letter, New Applicants / Listed Issuers. 05/03/2021, GL110-21, Main Board Rules 2.03(2) and (4)Guidance Letters for Listed Issuers - HKEX01/10/2019, GL105-19, Main Board Rule