
From August 21 to 23, 2025, the 4th China Forum on Automatic and Intelligent On-line Nondestructive Testing Technology 2025, co-hosted by the Nondestructive Testing Branch of The Chinese Society for Metals and NCS Testing Technology Co., Ltd., was successfully held at Changsha Rongcheng Garden Hotel, Hunan Province.
Centering on the field of automatic and intelligent on-line nondestructive testing, this forum conducted in-depth discussions on technological innovation, industry trends and application practices, and built an efficient communication platform for the in-depth integration of industry, academia, research and end users. During the concurrent special exhibition of intelligent testing equipment, exhibitors displayed their latest technological achievements in automatic and intelligent NDT, fostering a vigorous innovation atmosphere of diversified development.



NDT Solutions for Tubes and Bars

DOPPLER Specialized Probes for Iron and Steel Automation
Probe Advantages
1.Adaptable to diverse testing requirements
To meet the varied inspection needs of the iron and steel industry, Doppler has independently developed a full range of high-performance probes, including array probes, multi-crystal probes and single-crystal probes. They are applicable to nondestructive testing of various steel products such as steel pipes, steel bars, steel plates and steel rails.
2.Capable of multiple inspection tasks
Widely used for corrosion assessment, wall thickness measurement, internal defect detection and long-term structural health monitoring. The probes deliver high-sensitivity, high-precision and high-reliability inspection solutions, helping the iron and steel manufacturing and processing industry improve quality control and operational safety.
3.Excellent compatibility
Fully compatible with mainstream testing equipment and easy to integrate into automated production lines. Customization services are available to meet differentiated application demands.
4.Extended service life
Adopting high-reliability packaging technology and specially designed for high-load production lines, which effectively prolongs the overall service life of the probes.
Probe Products
Array Probes

Four-crystal Probes

Single / Dual-crystal Probes
Doppler Booth
We sincerely thank all leaders and guests for visiting the Doppler booth. Our professional team received every visitor with full enthusiasm. Through product demonstrations and technical explanations, we fully presented the core functions and differentiated advantages of our products.
Our superior product performance, comprehensive service system and highly cost-effective solutions have gained high recognition from customers. In the future, Doppler will remain committed to innovation, further focus on the field of automatic and intelligent online nondestructive testing, and continuously launch groundbreaking technical solutions.


