Sub-institute of Small and Medium Electric Machine has a long history of researching and designing for small & medium sized electric motors as well as  related fundamental and new technology. With advanced research methods and solid technological strength, it has undertaken dozens of national key projects, such as develoment of series products. We have won more than 50 scientific and technical progress prizes at national or ministerial level, and more than 10 patents of utility model and software copyright. Dozens of main series products developed by us have been put into mass production, which met the needs of all sectors of national economy.