Mainland Tour Guide Cards are generally only valid for tourist attractions in the Mainland. Tour guides going to Hong Kong use tour guide cards. Therefore, Mainland Tour Guide Cards are not free at Hong Kong attractions and tickets are required for admission.
https://m.ctrip.com/webapp/ticket/dest/r61414217.h
Not free, tour guide certificate is required to bring a group in mainland China
Mainland Tour Guide Cards are generally only valid for tourist attractions in the Mainland. Tour guides going to Hong Kong use tour guide cards. Therefore, Mainland Tour Guide Cards are not free at Hong Kong attractions and tickets are required for admission.
https://m.ctrip.com/webapp/ticket/dest/r61414217.h
Not free, tour guide certificate is required to bring a group in mainland China