Hua Hong Semiconductor Limited (OTCMKTS:HHUSF) is a pure‐play semiconductor foundry headquartered in Shanghai, China. The company specializes in the research, development and manufacture of integrated circuits, offering a diverse suite of process technologies on both 200mm and 300mm wafers. Its core offerings span from mature nodes for power management and radio‐frequency applications to specialty technologies such as gallium nitride (GaN) and CMOS image sensors, serving a wide spectrum of end markets including communications, consumer electronics, industrial controls and automotive systems.
Operating multiple fabrication facilities, Hua Hong Semiconductor maintains advanced manufacturing sites in Shanghai and Wuxi. These fabs are equipped with production lines that support nodes ranging from 0.35 micron through 28 nanometer processes. The company also manages dedicated assembly and testing centers to provide turnkey solutions for wafer back‐end processing. Through continuous investment in equipment, automation and process research, Hua Hong has elevated its capacity and technology offerings, positioning itself as a key domestic alternative to more established global foundry players.
Founded in the late 1990s under the auspices of the Shanghai municipal government, Hua Hong Semiconductor has expanded over more than two decades into China’s second‐largest pure‐play foundry by production volume. In 2018, the company bolstered its research and capital base with a listing on the Shanghai Stock Exchange’s STAR Market, reinforcing its commitment to innovation and scale. While maintaining a strong domestic footprint, Hua Hong serves a growing roster of international customers, supporting supply chains across Asia, Europe and North America with foundry services tailored to market‐specific power, analog and mixed‐signal applications.
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