东方钽业：目前公司生产的高纯钽粉、高纯钽锭、12英寸钽靶坯已实现全流程技术突破和产业贯通

Group 1 - The company has achieved a full-process technological breakthrough and industrial integration in the production of high-purity tantalum powder, high-purity tantalum ingots, and 12-inch tantalum target blanks [2][4] - These products are primarily used in the sputtering target material field [2][4]