Y8 7520 then FM 871 at Pudong
Zhengzhou → Shanghai → Marseille
Timetable, Shanghai time
11:50Y8 7520 from Zhengzhou at the gate
01:50FM 871 to Marseille leaves the gate
14 h apart on the timetable, overnight
FM 871 leaves 14 h after Y8 7520 arrives on the timetable: more than half a day, so not a connection we count.