LoyaltyLobby
The visas are issued for business/work-related purposes and those who need one on urgent humanitarian grounds.
You can access the announcement here.
Here’s the announcement:
2021/03/12
In view of resuming people-to-people exchanges between China and other countries in an orderly manner, starting from 15 March 2021, the Office of the Commissioner of the Ministry of Foreign Affairs of China in the HKSAR will provide the following facilitation for visa applicants who have been inoculated with COVID-19 vaccines produced in China and obtained the vaccination certificate:
1. Foreign nationals and their family members visiting the mainland of China for resuming work and production in various fields need only to provide the documents required before the COVID-19 pandemic when applying for a visa. The Invitation Letter (PU), Invitation Letter (TE) or Invitation Verification Notice issued by the foreign affairs offices or the departments of commerce of the provincial (including autonomous regions and municipalities) governments or the headquarters of central state-owned enterprises are no longer required.