抚顺特钢：公司暂未参与30X不锈钢的技术研发

Group 1 - The company is a research and production base for special steel new materials in high-tech fields such as aerospace, with products like high-temperature alloys and special stainless steel widely used in the aerospace sector [2] - The company has not participated in the research and development of 30X stainless steel technology [2]