Choi Fook Royal Banquet is located at
311 Gloucester Road, 9F Windsor House, Causeway Bay, Hong Kong
(香港铜锣湾告士打道311号).
It is a popular places that serve dim sum during the day and Cantonese cuisine during the night.
During the day, the queue is quite long, and you have to get a ticket and wait in queue to get in.
Waiting time is probably gonna take at least 30 mins.