青鸟消防：北京北大青鸟环宇科技股份有限公司累计质押股数约为7848万股

Group 1 - The company, Qingniao Fire Protection, announced that as of the date of the announcement, Beijing Beida Qingniao Huanyu Technology Co., Ltd. has pledged approximately 78.48 million shares, accounting for 42.06% of its total holdings [2] - For the fiscal year 2024, the revenue composition of Qingniao Fire Protection is as follows: 94.17% from the fire safety products industry, 3.16% from fire safety services, and 2.68% from other products and services [2]