In order to strengthen the professional knowledge and ability of R & D personnel, further improve work efficiency to adapt to the development of today's motor technology, so that the overall ability of employees to maintain a long-term dynamic advantage. On March 26, 2019, Infell Electronics held a training lecture on the Design of Permanent Magnet DC Motors. Professor Huang Daxu, former Director of West Micro Institute, delivered the lecture. All the staff of R&D department, some employees of purchasing and sales participated.