凯龙高科：11月21日召开董事会会议

Group 1 - The core point of the article is that Kailong High-Tech (SZ 300912) held a temporary board meeting on November 21, 2025, to review proposals related to external investments and related transactions [1] - For the fiscal year 2024, the revenue composition of Kailong High-Tech is reported to be 99.93% from air pollution control and 0.07% from other sources [1] - As of the report date, the market capitalization of Kailong High-Tech is valued at 1.9 billion yuan [1]