Pune Polytronics Pvt Ltd, Pune, (Calibrators, Millivolt/Milliamps, Calibrators, Temperature, Controllers, Electronic, Controllers, P.I.D., Counters, Digital, Counters, Preset, Logic Controllers, Programmable (PLCs), Process Control Indicators, Process Controllers, Programmable, Temperature Controllers, Blind, Temperature Controllers, PID, Temperature Indicators/Controllers, Thermocouples, Time Interval Meters/Totalisers, Totalisers, Digital, Transducers, DC Isolation,)