Railway Maintance_Ultrasonic Rail Flaw Detector “Rail Tester” PRD-300
Railway Maintance_Ultrasonic Rail Inspection Car 'URIC'
Railway Maintance_Portable ultrasonic rail flaw imager 'SM-3R'
Railway Maintance_Switch profile gauge 'SPG-3S', 'SPG-3N'
Railway Maintance_Expansion gap gauge 'EGG-1N', 'EGG-1S'
Railway Maintance_"Datadepot" system 'DD system'