New stock news | China Micro Semicon (Shenzhen) (688380.SH) The Hong Kong IPO prospectus is invalid.

China Micro Semicon (Shenzhen) Co., Ltd. (referred to as China Micro Semicon (Shenzhen) (688380.SH)) filed its Hong Kong IPO prospectus on September 23, 2025, which will expire after 6 months on March 23, 2026. China Securities Co., Ltd. International is the exclusive sponsor of the IPO. According to the previous prospectus, China Micro Semicon (Shenzhen) is a leading provider of smart control solutions in China, specializing in the design and delivery of integrated circuit chips, with microcontrollers (MCUs) as the core of the company's products. According to research data from Frost & Sullivan, the company is one of the first domestic companies to independently research and design MCUs. The company's early-mover advantage and continuous innovation have enabled it to maintain a leading position in the industry. Based on shipments in 2024, the company is the top MCU company in China, ranking third in terms of revenue.