中国铀业：公司所从事的天然铀采治业务位于核工业产业链的上游环节

Group 1 - The core viewpoint is that China Uranium Industry operates in the upstream segment of the nuclear industry chain, focusing on natural uranium mining [2] - The subsequent processes in the nuclear industry chain include uranium purification, conversion, and enrichment, which are essential for manufacturing nuclear fuel [2] - The applications of the processed uranium are primarily in nuclear power generation and national defense [2]