There is no service between the first half and the second half time.
Dep. interval:
from Hengbao Plaza Bus Terminal before 00:00: 25 minutes, after 00:00: 30 minutes;
from Keyun Lu Bus Terminal before 22:55: 25 minutes, a departure at 23:25, in 23:25~01:30: 25 minutes, after 04:30: 30 minutes.