Longjin Semiconductor Submits Second Application to Hong Kong Bourse, Seeks to Raise Funds for R&D and Overseas Expansion

According to Zhitong Finance APP, Longjin Semiconductor (688486.SH), a Shanghai Stock Exchange-listed high-speed mixed-signal chipmaker, recently submitted a second application to Hong Kong Bourse's main board for listing, with China CITIC Securities International as sole sponsor. The company leads China's video bridge chip market with a 4.1% market share as of 2025.

The fundraising will be allocated to R&D upgrades, product portfolio expansion, overseas sales network expansion, and strategic M&A. As of end-2025, Longjin reported revenues of 568 million yuan with net profit of 172 million yuan, while the company's addressable market is projected to grow from 260.5 billion yuan in 2025 to 633.8 billion yuan by 2030.