Background
Yan, De-Long was born on April 15, 1930 in Zhejiang, Shangyu, China.
consultant mechanical engineer
Yan, De-Long was born on April 15, 1930 in Zhejiang, Shangyu, China.
Bachelor of Engineering, Tong Ji U., Shanghai, 1952.
Group leader, China Electronics Engineering Design Institute, Beijing, 1953-1961; vice-director department, China Electronics Engineering Design Institute, Beijing, 1961-1980; vice chief engineer, China Electronics Engineering Design Institute, Beijing, 1980-1982; vice-director, China Electronics Engineering Design Institute, Beijing, 1982-1984; director, China Electronics Engineering Design Institute, Beijing, 1984-1990; advisor, China Electronics Engineering Design Institute, Beijing, since 1990. Consultant department mechanic and electronic projects China International Engineering Consulting Corporation, Beijing, 1987-1989.
Member Chinese Contamination Control Society (vice-chairman 1986-1990, chairman since 1990).
M. Ji-Pei Li, August 11, 1956. Children: Li-Ming, Li-Jun.