The China Academy of Urban Planning and Design is a scientific research institution directly under the Ministry of Construction of the People's Republic of China and a national center for urban planning research, design and academic information and has Grade A qualification for urban planning and engineering consultation, municipal engineering design, architectural design, building intelligence integration, tourism planning and design, resources demonstration of construction projects, and qualification for contracting overseas municipal engineering survey, consultation, design and supervision projects.

Ms. Zhang Huifang, Project Manager at Frey Group, first introduced to the delegation the origin and development of the Group in detail. Later, she explained the Group's adherence to the five-finger principle and sustainable community diversity through a series of classical passive ultra-low-energy building projects, including Heidelberg Village at Heidelberg Bahnstadt, Freiburg Smart Green Tower, and the sustainable urban planning of Rieselfeld Dsitrict, where the Group's headquarter is located.

The experts were then accompanied by Mr. Klaus Hoppe, consultant and expert in sustainable urban development in Freiburg, on a field trip to visit a number of the Group’s projects, such as the 'pro scholare' community apartments and the 'Eco - Greenhouse' in the city area of Rieselfeld.

During their tour and visit of projects cases and advanced eco-urban planning put into practice, the experts paid great attention to the ingenious design ideas that have been used to diversify rainwater harvesting systems in urban areas and to improve the delicate relationship between people and buildings.

The delegation from the China Academy of Urban Planning and Design fully affirmed the efforts and achievements made by the Frey Architekten Group in promoting the development of Sino-German ultra-low-energy ecological buildings and the dissemination of technical experience.

The two sides expressed the hope that the exchange and cooperation between China and Germany on experiences and technologies in sustainable ecological urban planning and construction could be further strengthened in the future.