Vinson: Provide guarantee for the 2 billion yuan financing lease contract of the holding subsidiary.

Winsun Announcement: The company announced that its subsidiary, Guoxian Optoelectronics, has entered into a 200 million yuan sale and leaseback agreement with Jiangxi Jinzhu. The lease term is 24 months, and the company provides joint liability guarantee for this business. Prior to this guarantee, the company had a guarantee balance of 3.713 billion yuan for Guoxian Optoelectronics, which increased to 3.913 billion yuan after the guarantee, with a remaining available guarantee amount of 2.079 billion yuan for Guoxian Optoelectronics in 2025. After this guarantee, the total external guarantee balance of the company and its subsidiaries is 17.22 billion yuan, accounting for 310.30% of the audited net assets for 2024.