Group 1 - The core point of the news is that Beijing Beida Qingniao Huanyu Technology Co., Ltd. has pledged a total of 21.85 million shares of Qingniao Fire (002960), accounting for 2.51% of the total share capital [1] - The details of the share pledge include 16.04 million shares pledged on July 28, 2025, representing 8.60% of the shareholder's holdings and 1.84% of the total share capital, and 5.81 million shares pledged on July 29, 2025, representing 3.11% of the shareholder's holdings and 0.67% of the total share capital [1] - As of the announcement date, the total pledged shares by Beijing Beida Qingniao Huanyu Technology Co., Ltd. amount to 69.48 million shares, which is 44.69% of its total holdings, while shareholder Cai Weimin has pledged 35.81 million shares, accounting for 27.3% of his total holdings [1] Group 2 - Qingniao Fire's Q1 2025 financial report shows a main revenue of 883 million yuan, a year-on-year decrease of 3.64%, and a net profit attributable to shareholders of 68.95 million yuan, down 12.37% year-on-year [3] - The company's net profit after deducting non-recurring gains and losses is 63.78 million yuan, a decrease of 4.52% year-on-year, with a debt ratio of 25.01% [3] - The company reported an investment income of -171,800 yuan and financial expenses of -6.46 million yuan, with a gross profit margin of 37.63% [3] - Qingniao Fire specializes in the research, development, production, and sales of fire safety system products [3]