Nanjing T-Bota Scietech Instruments & Equipment Co., Ltd (TBT) is a world leader specialized in exporting testing instruments and equipment for the field of civil engineering, scientific research. Our products are especially necessary for civil engineering constructions, including machines and accessories that can conduct soil testing, cement testing, concrete testing, asphalt testing, material testing and NDT.
sales network
our customers are mainly distributed in South-East Asia(Vietnam/Thailand/Indonesia/Philippine/Singapore/Cambodia), South Africa, South America, Australia, Iran, Egypt, New Zealand, Spain. At the same time, we are endeavoring to develop our local sales agent in different countries.
Our Target
To be the largest and most professional supplier for products in our business scope through our efforts!
To be the best friend and solid cooperator of our customers!
To be the first supplier at customer's first thought when they need to order!
■ You can always get our in-time reply via email or telephone or instant messenger;
■ You can always get best product with excellent quality and competitive price;
■ You can always get goods news for on-time or advanced shipment at your desire;
■ You can always enjoy our considerable & full-side after-sales service;
■ You can always feel very convenient since we can help you sourcing and ship products from
different factories via one shipment, which to a large extent save your time and cost;
Single Angle Retroreflectometer for Traffic Signs TBTTSR-1J
TBTTSR-1J retroreflectometer is quipped with single observation angle and illumination angle for measuring RA (nighttime retroreflection) on traffic sign, high visibility clothing, conspicuity tape and license plate.
For demand of multi-angle version, please choose TBTTSR-1M.
Road Surface Profiler (RSP) TBTPQL Series
Pavement roughness, as the main factor of dynamic loads which from vehicle movement, can expedite deterioration of pavement as well as wear and tear of vehicles. By using RSP, the pavement roughness can be determined as IRI.
Hamburg Wheel Tracker TBTACZ-HWT
TBTACZ-HWT Hamburg Wheel Tracker Determination of rutting and water sensitivity of Hot Mix Asphalt (HMA), permanent deformation of asphalt mixture under moving load, by measuring the rutting depth of asphalt mixture and the number of loading times at failure, to determine due to aggregate structure Insufficient binder strength or early damage caused by water damage can be used to evaluate the effect of water damage on asphalt mixtures because the specimens can be immersed in water at a certain temperature throughout the test.
Universal Testing Machine with PC Control (Touch Screen) TBTUTM-1000CT
The testing machine is mainly designed for the tension test, compression test and bending test of metal, also for non-metal of compression test, such as concrete and stone. If the proper jigs are provided, it can be used for various tests in the laboratories of mills, factories, colleges and research units concerned.
Asphalt Mix Analyzer(Ultrasonic Cleaning Method) TBT-0722H
TBT-0722H Asphalt Mix Analyzer is mainly used to extracting and separating asphalt, mineral powder and rubber particles in rubber asphalt, using the difference method to calculate the asphalt content, asphalt can be recovered while calculating the asphalt content.
Ground Penetrating Radar (GPR) Array TBTGPR-MIMO
TBTGPR-MIMO 3D GPR array system is a controller-antenna integrated multiple-input and multiple-output detecting system, the military grade anti-vibration design features it more convenient and flexible for using, even in complex environments the radar system still work stably and reliably.
[News] What does an Asphalt Binder Tester do?2025-09-16
2025-09-16
The Asphalt Binder Tester TBTRS-6 consists essentially of a high precision apparatus combining an ignition oven to a continuous weighing system to monitor the loss of weight of the asphalt sample and to automatically determine, at the end of the test, the binder content and percentage.
[News] Efficient Bitumen Extraction:The Advantages of Automatic Bitumen Extractor2025-09-09
2025-09-09
With the rise of automation in the construction industry, automatic bitumen extractors have emerged as invaluable tools for streamlining the extraction process and enhancing efficiency. In this article, we'll explore the benefits of automatic extractors and their role in asphalt/bitumen testing.
[News] TBTRMR-VM vehicle-mounted marking retroreflectometer2025-09-02
2025-09-02
TBT SCIETECH glad to introduce our new model:TBTRMR-VM vehicle-mounted marking retroreflectometer. We would like to provide every user convenient & stable equipments for pavement test.
[News] Retroreflectometer for road marking in rainy days2025-08-26
2025-08-26
Retroreflectometer for road marking plays a very big role in our traffic inspection, because many road markings and so on have a very big impact on the traffic, so it is necessary to use the measuring device to inspect the road markings during rainy days.
[News] What does an Asphalt Binder Tester do?2025-09-16
2025-09-16
The Asphalt Binder Tester TBTRS-6 consists essentially of a high precision apparatus combining an ignition oven to a continuous weighing system to monitor the loss of weight of the asphalt sample and to automatically determine, at the end of the test, the binder content and percentage.
[News] Efficient Bitumen Extraction:The Advantages of Automatic Bitumen Extractor2025-09-09
2025-09-09
With the rise of automation in the construction industry, automatic bitumen extractors have emerged as invaluable tools for streamlining the extraction process and enhancing efficiency. In this article, we'll explore the benefits of automatic extractors and their role in asphalt/bitumen testing.
[News] TBTRMR-VM vehicle-mounted marking retroreflectometer2025-09-02
2025-09-02
TBT SCIETECH glad to introduce our new model:TBTRMR-VM vehicle-mounted marking retroreflectometer. We would like to provide every user convenient & stable equipments for pavement test.
[News] Retroreflectometer for road marking in rainy days2025-08-26
2025-08-26
Retroreflectometer for road marking plays a very big role in our traffic inspection, because many road markings and so on have a very big impact on the traffic, so it is necessary to use the measuring device to inspect the road markings during rainy days.