China Eastern Airlines Jiangsu and China Southern Airlines Shanghai, which one has higher maintenance salary?

if a civil aviation pilot is a captain, his monthly income is 1,-2, (basically the highest in China Southern Airlines and the lowest in Air China, with a slight difference according to the type and route), and that of a non-captain is 5,-1,. Including all flying hours, food allowance and overseas allowance. The army is much less, and the food expenses can't be paid to individuals, so the monthly income is 3-5. The salary of aircraft maintenance is called maintenance. At first glance, it depends on whether the company it works for is state-owned or private, because many non-base maintenance services of foreign airlines are contracted out to private enterprises. For example, the maintenance of Emirates is a private enterprise, which generally costs 3,5 ~ 4, a month (before becoming a regular employee), and more than 5, points after becoming a regular employee, but there is not much room for development. The maintenance of state-owned airlines is about 2,5 ~ 3, a month+It depends on the requirements of airlines to increase it by 1, ~ 1,5 If you have a professional license, you can apply for an annual salary of up to 2, yuan.