The 26th China International Trenchless Technology Symposium and Exhibition
Exhibition time: 2023.4.19-21
Suzhou International Expo Center
The 25th China International Trenchless Technology Symposium and Exhibition
Exhibition time: 2021.4.16-18
Suzhou International Expo Center
The 24th China International Trenchless Technology Symposium and Exhibition
Exhibition time: 2020.9.26-28
China Red Island International Convention and Exhibition Center
The 23rd China International Trenchless Technology Symposium and Exhibition
Exhibition time: 2019.4.12-14
Suzhou International Expo Center
The 22nd China International Trenchless Technology Symposium and Exhibition
Exhibition time: 2018.4.11-13
Zhengzhou International Convention and Exhibition Center
The 21st China International Trenchless Technology Symposium and Exhibition
Exhibition time: 2017.4.14-16
Suzhou International Expo Center