Group 1 - The board of directors of Beijing Power Source Technology Co., Ltd. held its fourth meeting of the ninth session on November 7, 2025, with all seven directors present and the meeting chaired by Chairman Yang Bing [1] - The board approved a resolution to authorize the general manager's office to have external investment approval authority, allowing investments up to 5 million yuan per transaction and a total of 10 million yuan annually, excluding related transactions [2] - The authorization for external investment is valid from the date of board approval until November 6, 2026 [2] Group 2 - The board also approved a resolution to authorize the general manager's office to dispose of equity in subsidiaries with an investment of less than 5 million yuan, aimed at optimizing asset allocation and improving operational efficiency [4] - This authorization for equity disposal is also valid from the date of board approval until November 6, 2026 [4]