凯龙高科：8月21日召开董事会会议

Group 1 - The company Kailong High-Tech (SZ 300912) announced the convening of its 22nd temporary meeting of the fourth board of directors on August 21, 2025, to discuss the appointment of the board secretary and other documents [2] - For the fiscal year 2024, the company's revenue composition indicates that air pollution control accounts for 99.93% of total revenue, while other segments contribute only 0.07% [2]