"key laboratories" is a correct and usable phrase in written English.
You can use it when you want to refer to laboratories that are particularly important or significant in some way. For example, "The university maintains five key laboratories dedicated to research in cutting-edge technologies."
We thank Dr. X. Xu for providing the Microscopy Core at the Beijing Key Laboratories for microirradiation/laser ablation experiments.
Chengdu now has 10 national key laboratories funded by China's central government, 30 labs established by branches of local government and 53 universities.
CERS also has several Provincial Key Laboratories, focused on areas such as agricultural resources and environment, water pollution control and environmental safety technology, organic pollution processes and control, and engineering and technology solutions to pollution control for industrial furnaces and kilns.
Some of China's State Key Laboratories have exchange programs with the West.
The Chinese government has designated a series of research institutes, many affiliated with universities, as State Key Laboratories.
According to Richard Nader, NSF's East Asia and Pacific program manager, many of China's State Key Laboratories began as clusters of science and technology talent but have developed over time into well-organized and supported centers of excellence.
Department of Immunology, Key Laboratory of Immuno Microenvironment and Disease of the Educational Ministry of China, Tianjin Medical University, Tianjin 300070, China.
Research Institute of Forestry, Chinese Academy of Forestry, Key Laboratory of Tree Breeding and Cultivation, State Forestry Administration, Beijing, China.
Key Laboratory of Birth Defects, Children's Hospital of Fudan University, Shanghai, China.
Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, China, Hefei, Anhui, China.
Key Laboratory of Dermatology, Anhui Medical University, Ministry of Education, Hefei, Anhui, China.
