https://www.immd.gov.hk/eng/service/travel_document/mainlandservice.html
Provision of HKSAR passport application/collection service in the Mainland | Immigration Department
Provision of HKSAR passport application/collection service in the Mainland
hksar passportprovision
https://www.crossboundaryservices.gov.hk/en/hk_service/details_37.html
Cross-boundary Public Services - Application for HKSAR passport
The Government of the Hong Kong Special Administrative Region of the People's Republic of China, Cross-boundary Public Services, Application for HKSAR passport
cross boundarypublic services