The Citrus Research Institute (CRI), as the national scientific research center for citrus fruits, was established in 1960, directly subordinated to the Chinese Academy of Agricultural Sciences (CAAS), the Ministry of Agriculture. It is located at Beibei, the Municipality of Chongqing, a scenic town with the national park of Jinyun Mountain. The CRI covers an area of 1947 mu (129.8 ha), and possesses the third citrus germplasm preservation base in the world.
The CRI emphasizes scientific innovation and extensive techniques for supporting citrus industrial development. The main research fields cover the collection, evaluation, and preservation of citrus germplasm, functional gene exhumation, new variety breeding, modern cultivation technology, propagation system techniques, pest control and monitoring, processing and storage techniques, economics and information for the citrus industry, quality control, security, and criteria studies.