GECKO Leads PhasedArray Automated Inspection into a New Stage with Inovative Technologies.

GECKO Automated Crawler Scanner

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  • LD-Dynamic Inspection System for Wheels

  • LAC-Stationary Inspection System for Dismounted Wheel Sets

  • Flange Inspection using PAUT

About us

Doppler has numerous industry elites from home & abroad, strong technical strength, and world’s advanced R&D and manufacturing instruments. Doppler is also in the leading position in the R&D of 1-3 piezo-composite crystal, ultrasonic phased array (PA) instruments & PA probes in China and even in the world. Doppler’s products are not only widely used as an alternative for imported products, but also well recognized by world’s famous companies to which Doppler is developing and supplying related products long term. ...more >