中核建中核燃料元件有限公司（简称中核建中）始建于1965年，位于四川省宜宾市，隶属于中国核工业集团有限公司，是国家高新技术企业，建有国家级企业中心和博士后科研工作站,是亚洲最大的压水堆核电燃料元件制造基地。

中核建中通过引进国外先进技术和不断自主创新，掌握了300MW、AFA3G、TVS-2M、“华龙一号”CF系列等先进核燃料元件制造技术，具备多型号压水堆燃料组件及相关组件的全堆芯供应能力和新型燃料组件协作研发能力，已为秦山等国内外核电站提供了超过2000组质量优良的核燃料元件。

CNNC Jianzhong Nuclear Fuel Co.,Ltd(CJNF),founded in Yibin City,Sichuan Province in 1965,is a subsidiary of CNNC,which is a national high-tech enterprise with national enterprise technology center and post-doctoral research workstation.It is the largest base specializing in manufacturing of PWR nuclear fuel elements in Asia.

Through the introduction of foreign advance technology and continuous independent innovation,CJNF has mastered advanced manufacturing technology of nuclear fuel elements for 300MW,AFA3G, TVS-2M and HPR1000 CF series,and had the ability to supply full cores of multiple types of PWR fuel assemblies and associated core components and to collaborate in research and development of new type fuel assemblies.CJNF has supplies more than 20000 high quality nuclear fuel elements for domestic NPPS and foreign NPPS.