Can the ground service know-it-all be used at all airports in China?

Of course. Know-it-all is a diversified comprehensive service enterprise integrating aviation ground service, human resources service and property management service. Knowledgeable person can be used at all airports in China. Know-it-all is headquartered in Shantou City, Guangdong Province, and has set up several branches all over the country. Headquartered in Shantou City, Guangdong Province, it has three branches in Guangdong Province with 2,500 employees.