9C 8734 then 7C 8352 at Pudong
Taiyuan → Shanghai → Busan
Timetable, Shanghai time
15:159C 8734 from Taiyuan at the gate
03:307C 8352 to Busan leaves the gate
12 h 15 apart on the timetable, overnight
7C 8352 leaves 12 h 15 after 9C 8734 arrives on the timetable: more than half a day, so not a connection we count.