Jiangsu Yunyi Electric Co., Ltd. researches, develops, manufactures, markets, and sells automotive electronic parts in China and internationally. Its products include lambda and NOx sensors; semiconductors such as TVS, SiC, ESD, Zener, power supply modules, rectifier bridges and diodes, signal switch module diodes, and fast recovery diodes; generator components including regulators, rectifiers, diodes, carbon brush holders, terminal blocks, protective covers, and slip rings; and driving motors. The company also offers motor controller products for cooling fans, water pumps, blowers, and oil pumps; precision plastic injection parts, vehicle charging sockets, energy storage connectors, EV chargers, and high voltage connectors; and wiper systems. Founded in 2000, it is based in Xuzhou, China.