Joulwatt Microelectronics Co., Ltd. is a STAR Market-listed company (stock code: 688141) headquartered in Hangzhou, Zhejiang, specializing in the design of analog integrated circuits. Operating under a "virtual IDM" model, the company primarily develops and sells power management chips and signal chain chips. Its portfolio comprises over 3,000 product models, which are widely used in sectors such as automotive electronics, communications, industrial control, and consumer electronics.