Shanghai FourSemi Semiconductor Co., Ltd., a leading Chinese provider of power amplifier audio chips and haptic drivers, has successfully completed its initial public offering (IPO) and begun trading on the Main Board of The Stock Exchange of Hong Kong Limited. The listing, supported by legal counsel Baker McKenzie, marks a significant milestone for the company and underscores growing investor interest in the semiconductor industry, particularly within the rapidly expanding Chinese market. The move is expected to fuel further innovation and expansion for FourSemi, a key player in both consumer electronics and the automotive sector.
The company, operating under a “fabless” business model – meaning it outsources manufacturing – specializes in the design of low-power, mid/high-power audio chips, and haptic drivers, components increasingly vital for smartphones, tablets, and the evolving features within modern vehicles. FourSemi has consistently been at the forefront of technological advancements, introducing China’s first ASIC DSP-integrated portable power amplifier audio chip in 2017, followed by the first mid/high-power audio chip in 2021, and most recently, the country’s first automotive-grade AEC-Q100-certified power amplifier audio chip in 2023. AEC-Q100 is a stress test qualification standard for automotive electronics.
Navigating the Hong Kong IPO Landscape
Baker McKenzie advised Shanghai FourSemi throughout the global offering process, a complex undertaking requiring expertise in both international capital markets and Chinese regulatory frameworks. The legal team was led by Winfield Lau, Partner, Capital Markets, and Dan Ouyang, Partner and co-chair of Baker McKenzie’s Asia Pacific and China Capital Markets Practices, alongside Ronnie Li and Zhenzhen Bao, Senior Counsel in the International Capital Markets practice at FenXun Partners. Other key team members included Senior Associate Haoqian Chen, and Associates Celia Li, Giselle Ma, Yude Shen and Chenxi Yue.
“We are honored to support Shanghai FourSemi in reaching this significant milestone,” said Winfield Lau. “As a key provider of power amplifier audio chips and haptic drivers, Shanghai FourSemi is well positioned to grab its business to the next level of growth. This transaction once again demonstrates Baker McKenzie’s leadership and breadth of experience in the fast evolving convergence of technology and capital markets.”
A Growing Market Share and Future Investments
In 2024, Shanghai FourSemi reported a global shipment volume of 460 million power amplifier audio chips, securing its position as the third-largest global supplier and the second-largest in China. Statista reports that the global semiconductor industry is valued at hundreds of billions of dollars, with continued growth projected in the coming years.
Proceeds from the IPO will be strategically allocated to bolster the company’s long-term growth. Specifically, FourSemi plans to establish a new research and development (R&D) center, procure advanced automated testing equipment, construct an in-house automatic testing verification line, recruit specialized supply chain management engineers, and pursue strategic acquisitions and partnerships. These investments are designed to strengthen its competitive edge and expand its product portfolio.
Strategic Partnerships and Supply Chain Integration
FourSemi has already established strong relationships with leading smartphone manufacturers in both Korea and China, integrating its chips into the supply chains of major brands. The company also maintains close partnerships with key automotive manufacturers within China, reflecting the increasing demand for advanced audio and haptic technologies in the automotive industry. The automotive sector is particularly focused on enhancing the in-cabin experience, driving demand for higher-quality audio and intuitive haptic feedback systems.
Baker McKenzie’s Global Reach in Capital Markets
Baker McKenzie’s involvement in the FourSemi IPO highlights the firm’s extensive experience in navigating complex cross-border transactions. With deal practitioners in over 40 jurisdictions, the firm has assisted clients in raising capital across more than 40 stock exchanges worldwide over the past three years. Chambers and Partners, a leading legal directory, consistently ranks Baker McKenzie among the top firms for capital markets work globally.
Baker McKenzie established a joint operation office with FenXun in China as Baker McKenzie FenXun, approved by the Shanghai Justice Bureau in 2015, further solidifying its presence and capabilities within the crucial Chinese market.
The successful listing of Shanghai FourSemi represents a significant step forward for the company and a positive indicator for the broader semiconductor industry. Investors will be closely watching FourSemi’s progress as it executes its growth strategy and capitalizes on the increasing demand for its innovative audio and haptic solutions. The company’s next major milestone will be the completion of its new R&D center, expected in the first half of 2025, which will be crucial for developing next-generation technologies.
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