1, Shanghai Yuhang Power Technology Co., Ltd. is a scientific and technological company specializing in developing and producing all kinds of 50Hz and 60Hz precision AC and DC power supplies for civil and military use, aerospace, aviation and emc lab. The application fields cover aviation, aerospace, weapons, airborne, shipboard, radar, ships, locomotives, electromechanical, communication, scientific research and so on.
2. Shanghai Naval Ceramic Technology Co., Ltd., founded on 20 1 1, is a high-tech private enterprise specializing in designing, producing and serving power modules, power components and power systems for the high-reliability market, and is the leader of high-reliability power modules, components and system products and solutions.