永利股份：下属全资子公司于2019年增资参股深圳德科精密科技有限公司

Group 1 - The core point of the article is that Yongli Co., Ltd. is actively investing in the 3D printing industry through its subsidiary, which holds a 19.01% stake in Shenzhen Dekai Precision Technology Co., Ltd. [2] - The subsidiary was established in 2019 to enhance the company's presence in the 3D printing sector, specifically focusing on providing professional 3D metal printing and 3D laser engraving services for the mold manufacturing industry [2] - The use of 3D printing additive manufacturing allows for shorter production cycles, the ability to create more complex geometric shapes, and reduced final manufacturing costs, thereby improving the overall efficiency of mold design and manufacturing [2]