南风股份(300004.SZ)：目前在手订单较多，且产能充足

Group 1 - The company currently has a significant number of orders on hand and sufficient production capacity [1] - The delivery cycle for nuclear power ventilation products is approximately 3-4 years, with supply based on the construction progress of the awarded projects [1] - The nuclear power sector in China has maintained a regular approval pace in recent years, entering a period of positive development, which the company aims to actively participate in through bidding for related projects [1]