Co-Tech: Signed a sales framework contract with a maximum purchase amount limit of 401 million yuan.

Cositech Announcement: The company has signed a sales framework contract with Beijing Tianyuan Innovation Technology Co., Ltd., with a maximum purchase amount of RMB 401 million. The contract will take effect from the date of signing by both parties and will be valid for 2 years. If this contract and subsequent sub-contracts are successfully fulfilled, it is expected to have a significant positive impact on the company's operating performance. However, there is uncertainty about the impact of this project on the company's revenue in 2025.