Profile: Donfabs and Consillia Ltd. is a supplier of railway monitoring and measurement solutions. Our push recording trolleys are designed and manufactured for the specific measurement of various track parameters, including gauge, cross level, twist over a preset base, and rail top which provide an instant record of track conditions & geometry. Track measurement systems are capable of providing solutions across the broad spectrum of railway, metro, and urban tramway systems. These include track gauges, rail head profile measurement, and track geometry trolleys. Our vehicle ride comfort monitoring systems provide an easy solution to on board, in service monitoring requirements including type testing, fault testing, and condition based monitoring. Both attended and unattended systems are supplied for measuring ride comfort, vehicle vibration, and dynamics.