What is the principle of a falling weight deflectometer?The principle of a Falling Weight Deflectometer (FWD) is based on applying a known load to a pavement and measuring the resulting deflections at various distances from the load. This method allows engineers to infer the structural properties of

Dear Customers, Please be informed that our TBT office will be closed from June 3rd to 5th,2022 for Dragon Boat Festival Holiday,will resume work on Monday, 6th,June,2022.For any urgent issues, please feel free to contact us via email/phone/ whatsapp/wechat. Wish you peace and good health on the Dra

We TBT family would like to express our sincere appreciation for your continuous support and understanding throughout the year 2022.

Dear Valued Customers, Happy Chinese New Year of Rabbit! Please be informed that our office will be closed from 19th,Jan to 27th,Jan,2023 for Chinese Lunar New Year holiday. Normal business will resume on 28th,Jan,2023. If you have any urgent issues during the holidays, please feel free to contact u

Happy Labour Day!