江苏神通：海水系统阀门需执行预防性检修和维护

Core Viewpoint - Jiangsu Shentong (002438) emphasizes the importance of preventive maintenance for nuclear power valves despite their designed lifespan of 60 years, highlighting the need for regular inspections due to environmental factors [1] Group 1 - The company states that nuclear power valves are designed for a 60-year lifespan [1] - It is noted that this lifespan does not imply that no parts need to be replaced during this period [1] - Specific mention is made of seawater system valves, which are subject to erosion from sediment and corrosion from chloride ions in seawater, necessitating preventive maintenance [1]