Yu, male, 1942, from Ciwu Town, Zhuji City, Zhejiang Province. 1960 was admitted to the chemistry department of Hangzhou university. 1964 After graduation, he was assigned to Shanghai Institute of Metallurgy, Chinese Academy of Sciences for scientific research. 1979 As the first batch of overseas students sent by the government after the reform and opening up, they went to Japan to study and engage in research at the Institute of Metal Materials of Tohoku University in Japan.

198 1 After returning to China, he continued to engage in scientific research and management in Shanghai Metallurgical Institute. 1996 after retirement, he was employed as a senior technical consultant by a number of large foreign-funded and private enterprises.