Why did Dongguan Citybus reduce its classes?

Heavy workload. Dongguan Citybus reduced its classes mainly because of the long working hours and heavy workload. Dongguan is a prefecture-level city and megacity under the jurisdiction of Guangdong Province, which is located in the south of China, south-central Guangdong Province and the east bank of the Pearl River Estuary, with Guangzhou in the northwest, Shenzhen in the south and Huizhou in the northeast. The land area of the city is 2460. 1 km2, and the sea area is 82.57 km2.