Leading Aluminium Window Manufacturers India
Dortec is recognized among trusted aluminium window manufacturers in India providing innovative aluminium doors, sliding systems, and premium fenestration solutions. With modern technology and quality craftsmanship, we serve residential, commercial, and architectural projects throughout Kolkata and India.
Our Foundation
Powered by Glastal – one of India’s leading fenestration manufacturers – Dortec leverages cutting-edge technology, precision engineering, and stringent quality control to deliver products that exceed international standards.
With state-of-the-art manufacturing facilities and a team of seasoned engineers, we’ve mastered the science of creating fenestration systems that perform flawlessly in India’s diverse climate zones – from Himalayan cold to coastal humidity to desert heat.
Our Mission
To make world-class aluminium fenestration accessible to every Indian home, combining:
- Engineering excellence
- Sustainable practices
- Customer-centric service
- Continuous innovation
We believe that every homeowner deserves windows and doors that enhance comfort, reduce energy consumption, and add lasting value to their property.
