Changqing Technology: the capacity expansion project for composite materials has been postponed until December 31, 2026.

Changqing Technology Announcement: The company held its fifteenth board meeting on March 20, 2026, and approved the "Proposal on the Postponement of Some Raised Funds Investment Projects". It was decided that under the condition that the subject, method, construction content, use of raised funds for investment, and investment scale of the raised funds investment projects for the initial public offering of stocks remain unchanged, the date for the "Composite Material Production Capacity Expansion Project" to reach the scheduled usable state is postponed to December 31, 2026. This project delay is based on the principle of prudence, taking into account the actual construction progress, fund utilization, and the impact of unforeseen factors.