Forty people. Official website of Northeastern University shows that Northeastern University has enrolled 40 students majoring in mechanical and electronic engineering. Mechanical and electronic engineering are two disciplines under mechanical engineering. Mechanical and electronic engineering, commonly known as mechatronics, is a kind of mechanical engineering and its automation, and it is also a very promising direction. Northeastern University, referred to as "Dongda", is located in Shenyang, Liaoning Province. It is a national key university directly under the Ministry of Education of People's Republic of China (PRC), and the first batch of key schools in "21Project" and "985 Project".