The world No.1 pair of Liang Wei Keng and Wang dashed the Indian duo's hopes of claiming a second BWF Super 750 title.
The top seeds will face another Chinese pair in the summit clash.
Young Indian Priyanshu Rajawat also exited the season's last BWF Super 750 event.
The Asian Games bronze medallist Indian, who returned to action after recovering from a back injury, squandered an opening game advantage to lose narrowly to world No. 12 Chen.
Last week, the 28-year-old was forced to concede her second round match against Thailand's Supanida Katethong at the French Open.
It was Kiran's second BWF World Tour Super 100 title.
The star shuttler feels there are no easy games on the BWF Tour nowadays.
Weng came back from 14-19 to draw level at 19-19 and then saved a match point before winning the thriller 22-20.
The Keralite will take on China's Weng Hong Yang in Sunday's summit clash.
Ashwini Ponnappa and her doubles partner Tanisha Crasto lost 11-21, 21-14, 17-21 to the Indonesian combination of Febriana Dwipuji Kusuma and Amallia Cahaya Pratiwi.