Summary report of the 25th China International Trenchless Technology Symposium and exhibition in 2021
Data analysis of live audience registration
Distribution of domestic audience sources
Industry
Purpose of exhibition
Thank you for your interesting products
Access to the exhibition
OPENING CEREMONY
KEYNOTE SPEECH
REGISTRATION
EXHIBITION
GERMAN PAVILLION
NEW PRODUCT RELEASE CONFERENCE
GALA DINNER (AWARDING CEREMONY)
CSTT COUNCIL MEETING & EXPERTS MEETING
GROUP PHOTO AFTER CSTT COUNCIL & EXPERTS MEETING
