The 12th Mine Hospital in this city was built in 1985, and as the city's coal mining industry has shrunk, this miner's hospital has remained unused. Faced with a growing elderly population in the city, the owner wanted to update the hospital into a medical and nursing care facility. The overall strategy was to let the 12th Mine Hospital to integrated into the natural park. As the history of hospital, the architect wanted to respect the layout of the existing buildings and increase their attractiveness by updating the facade and renewing the function.

Yijian was founded in 2016. The research background of the doctoral partner university has made Yijian adhere to the purpose of research-oriented design. Yijian believes that each project has its own unique business card that cannot be copied. Yijian's job is to find this value point through in-depth exploration and make it become the core competitiveness and sustainable influence of the project. Yijian adheres to the purpose of research-oriented design, has a certain academic height and international vision, provides customers with creative solutions, and can solve project problems across disciplines.

Founded by PhD partners, YIJIAN ARCHITECTS has always been committed to research-based design, focusing on the cultural, sustainable and social significance of projects. With a high degree of academic excellence and an international perspective, YIJIAN ARCHITECTS focuses on a highly integrated project logic of planning, programming, design and operation, providing clients with creative and interdisciplinary solutions to problems in every project. YIJIAN ARCHITECTS has been deeply engaged in the fields of rehabilitation architecture, urban renewal and cultural architecture and has won many awards. YIJIAN ARCHITECTS believes that every project has its own inimitability.Our job is to dig deeper to find this value and make it become the core competitiveness of the project and its sustainable impact. Through research, YIJIAN ARCHITECTS hopes to find the right strategy to explore and enhance the potential value of each project in China's rapid urbanization process, leaving behind a valuable historical and ecological heritage for each site and city. At the same time, it is well integrated with the planning requirements and meets the operational demands of the project. In recent years, the completed projects have been recognized by the society and have won many domestic and foreign awards.