Welcome to the official website of Semipower Technology Co., Ltd.

A high-tech enterprise integrating R & D, production and sales

R&D New Products with Advanced Technology Leading-edge Technology

Semipower Technology Co.,Ltd.


Semipower Technology Co., Ltd.-Expert introduction-Ma Ruiqing
Ma Ruiqing

Research Area: 

Rare-Earth Permanent Magnet Motor Control Technology, includingburshless DC motor, synchronous motor, switched reluctance motor, stepping motor, voice coil motor, driving system & servo control of LATM.

Modern power supply: DC/DC power supply, electrical testing technology.


He participates in 94 projects, such as military models project, pre-research projects, 863 porjects and horizontal research project, his research achivements are used in hypersonic vehicle, 10 kinds of planes, 4 satellites and mutiple industrial areas. Provide more than 2,000 models of rare earth permanent magnet brushless DC motor for oxygen  concentrator of 4 kinds of planes. The double redundant brushless DC motor servo control system he researched is used in 3 kinds of planes. The 200W, 900W,1.4KW, 2KW, 3KW, 9KW, 13KW, 15KW, 20KW, 30KW, and 45KW rare earth permanent magnet brushless DC motor driving and control system is used in various planes and spacecrafts. 

He has published 1 cooperative monograph and 100 theses, and 50 theses are included in SCI and EI. 

He has won 2 First Prizes for National Defense Science & Technology Progress, ranked as No. 1 and No. 10,  9 provincial and ministerial Second Prizes, 7 Third Prizes, and 1 Personal Third-Class Merit.