DNB Dryvent India Private Limited

ONAR-DNB Group of Companies constitutes two companies, both the companies are located in KOLKATA, in the eastern part of INDIA named :
Sonar Airotech Pvt. Limited
DNB Dryvent India Pvt. Limited

In addition to Plant Design, Manufacturing, Installation & Commissioning of new PM Hood & Air Systems, we are also in a position to :
Conduct Site Surveys to improve plant performance.
To take up Retrofit jobs involving Modernization/ Expansion / Rebuild of existing Hood & Air Systems.
We have our own, Research & Development wing, Manufacturing Units, a wide network of ancillary units and skilled site fabrication & erection teams.

We have hundreds of successful installations to our credit. Our Hood & Air Systems are tailor-made to suit any kind of requirement- starting from very simple systems for small machines to highly sophisticated systems for most modern high speed machines.