How many domestic airlines have closed down?

Seven domestic airlines have closed down. Seven domestic airlines closed down, namely Yunnan Airlines, Wuhan Airlines, Northwest Airlines, Nanjing Airlines, Great Wall Airlines, China General Aviation and Zhongyuan Airlines. The demise of airlines is often when the civil aviation industry is in recession, especially under the impact of a greater external crisis, and at the same time, under the impetus of national policies, there have been major restructuring, mergers and integration.