1.Data

2020: Area: 3500㎡; Visitors: 7000; Exhibitors: 143;

2021: Area: 8000㎡; Visitors: 16000; Exhibitors: 137;

2022: Area: 10,000 ㎡; Visitors: 20,000; Exhibitors: 168;

2.Activities

2023 Underground space construction and operation and maintenance technology innovation Forum

1) Underground Construction Technology and material equipment development Forum

Municipal housing and construction commission Science and Technology Commission construction and quality safety professional committee

2) Underground Space Renewal and Reconstruction Technology Development Forum

Municipal Housing and Construction Commission Science and Technology Commission Municipal Infrastructure and urban operation and maintenance professional committee

3) Prefabricated Underground Construction Technology Forum

Municipal Housing and Construction Commission Science and Technology Commission underground space and underground engineering professional committee

4) Underground Construction Innovation Technology and Application Forum

Municipal Housing and Construction Commission Science and Technology Commission underground space and underground engineering professional committee

5) Urban Underground Integrated pipe Gallery and waterproof technology Innovation Forum

Municipal Housing and Construction Commission Science and Technology Commission Municipal Infrastructure and urban operation and maintenance professional committee

3.Part of Exhibtors