Sai Microelectronics Inc. (Stock Code: 300456), founded in 2008 and headquartered in Beijing, is a leading Chinese high-tech listed company specializing in MEMS (Micro-Electro-Mechanical Systems) chip design, manufacturing, and advanced packaging. With the mission of "Pioneering Micro-Nano Manufacturing, Empowering the Smart Era", the company is committed to providing global customers with high-performance sensor and IoT core chip solutions.

With a complete MEMS industry chain layout, the company has R&D centers and production bases in Beijing and Sweden(Note: In 2023, the company completed 100% acquisition of Sweden's Silex Microsystems). Its products are widely used in consumer electronics, automotive electronics, 5G communications, biomedical and other fields. In 2021, the company's MEMS business revenue exceeded 1 billion yuan, ranking among the top in the global MEMS foundry market.