Shuttle bus between each terminals

Free shuttle bus between each Terminal:
To commune between each airport terminal, the airport offers free shuttle bus at each terminal; it usually leaves in every 10 minutes. Here’s the detailed timetable:
06:00 ～ 23:00 ： no more than every 10 mins
23:00 ～ 01:00 ： no more than 15 mins
01:00 ～ 05:00 ： no more than 30 mins
05:00 ～ 06:00 ： no more than 15 mins

Free shuttle bus locations at each terminal:
Terminal 1: outside gate 7 on the first floor
Terminal 2: outside gate 7 on the first floor
Terminal 3: outside gate 5 on arrival hall