Crystal Electronics: Chairman Li Qing, General Manager Hu Jiankang, and CFO Gu Youlou plan to reduce their holdings by 0.0162%, 0.0340%, and 0.0016% respectively.

Jingrui Electrical Materials Announcement: Chairman Li Qing holds 696,700 shares, accounting for 0.0649%, planning to reduce no more than 174,000 shares from December 9, 2025 to March 8, 2026, accounting for 0.0162%; Director and General Manager Hu Jiankang holds 1,462,400 shares, accounting for 0.1363%, planning to reduce no more than 365,000 shares, accounting for 0.0340%; Chief Financial Officer Gu Youlou holds 69,666 shares, accounting for 0.0065%, planning to reduce no more than 17,000 shares, accounting for 0.0016%.