The average employee's comprehensive salary of six days and eight hours is about 3200, and the comprehensive working hours system is implemented to work overtime on Saturday, 1.5 times. Usually, holidays are compensated by overtime. Although it is wholly owned by Germany, its management is similar to that of domestic private enterprises, which makes ordinary workers very timid. It is basically impossible for an office worker to get a good promotion. The leadership of the management has basically not changed.