东方钽业：公司下属控股子公司宁夏东方智造科技有限公司主要从事钽及钽钨合金材料3D打印件、增材制造等业务

Group 1 - The core viewpoint of the article is that Dongfang Tantalum Industry has confirmed its subsidiary, Ningxia Dongfang Zhizao Technology Co., Ltd., is engaged in the production of tantalum and tantalum-tungsten alloy 3D printed parts and additive manufacturing [1] - The products of the subsidiary are primarily applied in aerospace, medical, and chemical industries [1]