Yongxin Optics: The business of optical components related to photolithography machines accounts for a relatively small proportion of the company's revenue, less than 1% of the company's operating income.

Announcement on the abnormal fluctuation of stock trading of Yongxin Optics. The company has noticed that some media have included the company in the concepts of semiconductor and lithography machines. The company's main business is optical microscopes and optical components products, and there has been no significant change in business model. The company's product commercial model leans towards customization, diverse varieties, and small batch production, with a wide range of applications and relatively dispersed. The revenue proportion of lithography-related optical component business is relatively small, accounting for less than 1% of the company's operating income, and is currently not the core business of the company, which will not have a significant impact on the company's current performance. Investors are advised to handle with caution, guard against hype concepts, and pay attention to investment risks.