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

To all of our dear customers,Due to China

TBT's competitive product FWD has been loved by overseas customers in recent years, it brings the company bulk purchase orders continuously. In factory, a row of machines are being carefully tested and calibrated, after carefully packing, they will soon enter containers, board on ocean ship, then g

The road surface profiler’s optical components can produce large projection points and the internal sampling rate can be several times higher than the output. The polygon mirror on the road surface profiler allows the projection point to sweep across the width of the road. Another advantage is that the projection point in the scan direction is effectively widened.

New drivers may hesitate whether they need to buy a retroreflector, after all, its price is usually not cheap. So what is special about the retroreflective meter? Why is the retroreflectometer so important to the driver?