东方雨虹(002271.SZ)：旗下子公司未涉及航天领域

Core Viewpoint - Dongfang Yuhong (002271.SZ) is focusing on key technology breakthroughs in industrial anti-corrosion and marine engineering through its subsidiary Hongjia Industrial Coatings Co., Ltd [1] Group 1 - The product system primarily serves critical sectors such as infrastructure, petroleum refining, energy, water industrial facilities, and marine equipment [1] - The company has not ventured into the aerospace sector [1]