航空板块2022年营收同比增长12%，净利润同比增长8%；2023Q1营收同比增长14%，净利润同比增长18%，净利润增 速超营收增速。 航空板块近年来盈利能力不断提升：从2019到2022年，整体毛利率稳定在15.5%左右，净利率从4.6%提升到5.5%。 2023Q1航空板块盈利能力持续呈上升趋势。

Firefighting systems can prevent fire spread by extinguishing the fire early. Firefighting equipment is applied in several sectors, such as manufacturing, transportation, oil & gas, mining, and energy & power. These industries are adopting fire safety equipment that involves standpipes, sprinklers, alarms, and fire detection systems to protect delicate and sensitive systems. In addition, the firefighting systems market has a great opportunity for growth during the forecast period due to continuous innovation in smart home automation-related applications. Hence, such factors increase the demand for hoses and nozzles during the forecast period.

本周中证军工指数下跌1.69%，上证综指下跌1.11%；创业板指下跌3.58%；近两周中 证军工指数下跌2.86%，上证综指下跌0.79%，创业板指下跌4.32%；年初至今中证军 工指数上涨1.20%，跑输上证综指5.67pct，跑赢创业板指1.43pct。从行业比较来看， 近十个交易日国防军工(中信)板块下跌2.33%，在30 个一级行业中排第17 位。

The market study aims at estimating the market size and the growth potential of this market. Topics analyzed within the report include a detailed breakdown of the global markets for air-to-air refueling by geography and historical trend. The scope of the report extends to sizing of the air-to-air refueling market and global market trends with market data for 2021 as the base year, 2022 and 2022 as the estimate years and forecast for 2024 with projection of CAGR from 2024 to 2029.

The market study aims at estimating the market size and the growth potential of this market. Topics analyzed within the report include a detailed breakdown of the global markets for 5g in aviation by geography and historical trend. The scope of the report extends to sizing of the 5g in aviation market and global market trends with market data for 2021 as the base year, 2022 and 2022 as the estimate years and forecast for 2024 with projection of CAGR from 2024 to 2029.

The market study aims at estimating the market size and the growth potential of this market. Topics analyzed within the report include a detailed breakdown of the global markets for aircraft seals by geography and historical trend. The scope of the report extends to sizing of the aircraft seals market and global market trends with market data for 2021 as the base year, 2022 and 2022 as the estimate years and forecast for 2024 with projection of CAGR from 2024 to 2029.