Question: Cathay Pacific is the flag carrier of Hong Kong, with its head office and main hub located at Hong Kong International Airport, its wholly owned subsidiary, is which Hong Kong-based international regional airline, with its corporate headquarters, at Hong Kong International Airport?
Sentence (from "Air Hong Kong"): It has a fleet of Airbus A300-600F General Freighters, which the airline was the launch customer of this new variant.
Relevant evidence: No