吉林化纤：公司1.2万吨碳纤维复材生产线项目已完工，复材的认证工作也进入尾声

Group 1 - The core project of the company is a 12,000-ton carbon fiber composite production line, which includes carbonization and composite production processes [2] - The total investment for the carbon fiber composite project is 1.458 billion yuan [2] - The project has been completed, and the certification work for the composites is nearing completion [2]