According to Hong Kong Exchanges and Clearing (HKEX) disclosure on June 30, Longxun Semiconductor (stock code 688486.SH) submitted a main board listing application to HKEX for the second time, with CITIC Securities International as sole sponsor. The company previously filed its application on December 22, 2025.
Longxun, a fabless mixed-signal chip designer, ranked first in mainland China's video bridge chip market in 2025 with 4.1% market share, according to Frost & Sullivan. The company reported revenue of 568 million yuan in 2025, with net profit reaching 172 million yuan.