关键词51：钴 -60 生产

钴-60 放射源在中国农业、工业、医学等方面应用广泛。特别是医用钴-60 生产具有重要的社会意义和经济效益，钴-60 伽马刀成为肿瘤综合治疗的重要组成部分。2010 年，中国同辐公司成功掌握万居里级钴-60 源生产技术，形成年产600 万居里钴-60 辐照源的能力，产品的各项技术指标和质量水平均达到国外同类产品水平，成为拥有自主知识产权的全球第三大工业钴源供应商。2019 年9月在秦山核电第一批国产高比活度钴-60 原料的自主生产，实现了医用钴-60 放射源国产化、批量化生产。至此，中国医用钴-60 放射源不再“缺芯少源”，伽玛刀医疗产业得到持续健康发展。

Keyword 51：Cobalt-60 Production

Cobalt-60 radioactive sources are widely used in agriculture, industry and medicine in China. The production of medical cobalt-60 has, in particular, delivered substantial economic and social benefits. Cobalt-60 gamma knives have become an important tool in tumor treatment. In 2010, the China Isotope & Radiation Corporation (CIRC) developed the technology for producing 10,000 Curie-level cobalt-60, and can now produce 6 million Curie cobalt-60 sources annually. CIRC’s products perform well compared with similar products, and their quality measures up to high international standards. The company has become the world’s third largest supplier of industrial cobalt sources developed with Chinese technology. In September 2019, the first batch of high specific activity cobalt-60 raw material was successfully produced at the Qinshan Nuclear Power Plant, marking the beginning of domestic mass production of medical cobalt-60 radioactive sources. China’s supply of medical cobalt-60 radioactive sources has so far been self-sufficient, and the gamma knife industry has seen sustained growth.