Московский государственный технический университет имени Н. Э. Баумана
Ni's hometown is Zhenhai District, Ningbo, Zhejiang province. Ni entered Tsinghua University in 1951. Ni was transferred to the Bauman Moscow State Technical University of USSR and graduated in 1957. Ni obtained Candidate of Sciences degree (in 1962) and later honorary doctor degree (in 1990) from the Saint Petersburg Polytechnical University.