TBTLWD-1G handheld light weight deflectometer is used to determine the deflection of subgrade under dynamic loading, further to evaluate the bearing capacity and deformation of subgrade. It is suitable to inspect construction foundation for railways, highways, airports, urban transportation, ports,

We TBT SCIETECH, provide advanced traffic sign, road marking & marking thickness testing equipments.

Dear Respected Customers, As business development needs, from July. 01st 2021, our company moves to the new office address as following: Room 2903-2904, HuaXia Mansion, No. 81 ZhongShan Road, NanJing 210005 China; All the tel./fax./email information keep the same, if you need to deliver any mail or

Warmly celebrate the 100th Anniversary of the Founding of the Communist Party of China!

Dear customers, TBT company will have 5-day holiday from May 1st~5th 2021 for the International Labour Day! If you have any requirement please contact our sales team any time, you will get response quickly! May you Happy the Labour Day!

2020 is really a special and challenging year for the whole world, hereby we TBT family would like to express our sincere appreciation for your kind support and cooperation in this year; As Christmas and new year 2021 is coming, we wish you and your family a Merry Christmas and Happy New Year! May h