龙泉股份(002671.SZ)：近年来公司核电领域相关业务收入，占公司营业收入比重约为5%-10%

Core Viewpoint - The company is focusing on the "fluid control" sector, expanding into high-end metal valve manufacturing through acquisitions, thereby upgrading its business from "pipes + valves" to high-end metal products [1] Group 1: Business Strategy - The company has a strategic focus on the "fluid control" field, building on its existing PCCP pipeline and metal fittings business [1] - Through external acquisitions, the company has quickly entered the high-end metal valve manufacturing sector [1] Group 2: Subsidiary and Industry Involvement - The company's wholly-owned subsidiary, Xinfeng Pipe Industry, was one of the first in China to obtain the "Civil Nuclear Safety Equipment Manufacturing License" in 1996 [1] - The subsidiary has participated in several key construction projects in China's nuclear power sector, supplying pipe fittings [1] Group 3: Revenue Contribution - In recent years, the revenue from the nuclear power-related business has accounted for approximately 5%-10% of the company's total operating income [1]