On January 2, Gelonghui said during the survey of specific subjects that compared to traditional industries, 3D printing and molding methods are currently widely used in automobile manufacturing, aerospace, biomedicine, etc. 688456.SH 3D printing technology can meet the requirements of lightweight, integrated, topological optimization design and processing of aerospace, weapons, and auto parts. With the expansion of 3D printing applications, the reduction of equipment and material costs, and continuous breakthroughs in batch printing technology, the future may bring explosive growth.