Laoganma chili sauce is offered to passengers during meal as China's first independently designed regional jet officially began operating on June 28, 2016. Chengdu Airlines became the first commercial airline to use the jet ARJ21-700 on Southwest China's Chengdu to Shanghai route. Originally made in China's Guizhou province, Laoganma is a popular hot sauce for Sichuan people and Chinese based abroad. [Photo/IC]