National and provincial authorities and top experts visit and guide

Director Yang Rong, Department of Science, Technology and Energy Conservation, Ministry of Housing and Urban-Rural Development, visited the exhibition site for guidance

Chief Editor of the National Rainwater Code (right 4) : Zhao Shiming visited the company

  Professor Li Junqi, General Design of Sponge City, Beijing University of Architecture and Architecture: (right 5) visited the company

National Rainwater Code GB50400-2006 Editor Zhang Shuhan (left 4)

Beijing "Rainwater Utilization Engineering Acceptance Code" editor-in-chief: Zheng Kebai (right 2) to visit the company

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