Dai Yongnian: key obituary facts
Is Dai Yongnian dead? Yes. Dai Yongnian died on January 31, 2022, at age 92.
Cause of death: Dai Yongnian's cause of death has not been publicly confirmed.
What was Dai Yongnian known for?
He was known as Chinese engineer.
Chinese engineer
Died on Monday January 31st 2022