CA 1721 then BR 715 at Beijing
Hangzhou → Beijing → Taipei
Timetable, Beijing time
19:30CA 1721 from Hangzhou at the gate
13:55BR 715 to Taipei leaves the gate
18 h 25 apart on the timetable, overnight
BR 715 leaves 18 h 25 after CA 1721 arrives on the timetable: more than half a day, so not a connection we count.