CITIC Offshore Helicopter Co., Ltd. operates in China's general aviation industry along with its subsidiaries. Its services include helicopter maritime oil and gas flights, emergency rescue, port pilotage, land-based general aviation, and general aviation maintenance. The company owns and operates a fleet of approximately 80 helicopters and also serves Chinese government departments and enterprises for official flights, maritime law enforcement monitoring, maritime rescue, disaster relief, and medical assistance. It additionally engages in helicopter leasing and management, aircraft and component repair and maintenance, aviation materials and technology import and export, aerial sightseeing and photography, charter flights, equipment leasing, civil aircraft parts design and production, and civil aviation maintenance personnel training. The company serves oil companies and was formerly known as China National Offshore Helicopter Professional Company. Founded in 1983, it is headquartered in Shenzhen, China.