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G Shanmugasundaram, Scientist, CLRI, Chennai

I bought an Inverter from Kongu Engineers three years back for my house use. The inverter is working fine and it gives very good backup during powercut. This inverter requires minimum maintenance. Their service support is excellent. I have recommended the product to many of my friends and every one is happy about this product.

Date of Posting: 04 April 2011

Venkatesh, Vivek Enterprises, Chennai-4

we are one of the earliest customers of the kongu engineers range of ups and inverters and has recommended to many of our friends and business associates for their quality optimum price and service backup. The best support you can expect with a smile always from their side is the charismatic response. we use their range of products for the past one decade with best results.

Date of Posting: 03 March 2011

RAJKANNA Chennai

Our total experience with Kongu Engineers has been excellent from the time we placed the order through to the after sales support. The team were not only very professional but took a hands-on personal approach to understand our business and to meet our specific requirements with the UPS. This has given us great piece of mind and security for our business and our customers.

Date of Posting: 21 January 2011

N.Venkat, Adyar, Chennai

This is to certify that Ryben 1000VA Sinewave UPS working at our business place working satisfactorily for last 4 Years and services rendered by the company are appreciable

Date of Posting: 21 January 2011

J.Lourduraj, Coimbatore

I have purchased a Ryben Home UPS from M/s.Kongu Engineers during the year 2009. I have connected this UPS to Exide tubular battery. I am privileged to mention that till this the performance of the UPS is uncomprised. I wish Kongu Engineers and the entire team all the very best for all the future assignments.

Date of Posting: 27 January 2011

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RYBEN

"RYBEN" brand name of KONGU ENGINEERS established in the year 2000. Professional manufacturer of state-of-the-art Products like Solar Inverters, Online UPS, Off-Line UPS, Sinewave Inverters, Battery Chargers, Isolation Transformers, SMPS and Servo Voltage stabilizers.