Brief introduction of China Northwest Airlines

China Northwest Airlines (hereinafter referred to as "Northwest Airlines") was established on February 6, 1989. It was once one of the six backbone airlines in China, and its original headquarters was in Xi 'an, Shaanxi, China. I used the IATA code "WH" and the ICAO code "CNW". In 2002, the company was acquired by China Eastern Airlines Group, and became the "Northwest Branch of China Eastern Airlines" due to years of losses.