Qualitronics (Madrass) Pvt. Ltd. , Chennai, (Access Control/Time Attendance Systems, Alarms, Burglar/Intruder/Security, Alarms, Fire, Bells, Wireless, Currency Identifiers, Fake,Door Operators, Automatic, Emergency Auto Diallers,Hooters, Electronic , Power Supplies, Uninterruptible (UPS), Rodent Repellers, Ultrasonic, Safety Guards, Infra-red, Security Systems For Banks, Sensors, Smoke Detectors, Electronic, Telephone Diallers, Automatic, Television Cameras, Closed-Circuit,Television Systems, Closed Circuit (CCTV), Token Number Indicators )