Baker McKenzie Advises Shanghai FourSemi Semiconductor on Global IPO and Listing on the Hong Kong Stock Exchange

Baker McKenzie has advised Shanghai FourSemi Semiconductor Co., Ltd. (“Shanghai FourSemi”) in connection with its global offering and successful listing on the Main Board of The Stock Exchange of Hong Kong Limited.

Shanghai FourSemi is a provider of power amplifier audio chips and haptic drivers. Operating under a fabless business model, it specializes in the design of low-power audio chips, mid/high-power audio chips and haptic drivers, offering a wide array of solutions for emerging consumer electronics and intelligent vehicles. It had introduced China’s first ASIC DSP-integrated portable power amplifier audio chips in 2017, the first mid/high-power audio chip in 2021, and the country’s first automotive-grade AEC-Q100-certified power amplifier audio chip in 2023. Shanghai FourSemi has been integrated into the supply chains of global leading Korean and Chinese smartphone brands, and has strong partnerships with automotive manufacturing leaders in the country. In 2024, Shanghai FourSemi achieved a total annual global shipment volume of 460 million power amplifier audio chips, ranking third globally and second in China. Proceeds from the offering will support the establishment of a new R&D center, the procurement of automated testing equipment, the construction of an in-house automatic testing verification line, the recruitment of supply chain managing engineers, and strategic acquisitions and partnerships to further strengthen its industry position.