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Our Core Values

Customer service & Satisfaction is our motto:
We consider our customers as the best judge because they play a critical role in ensuring the growth of the company. Customers always keep us updated with the pros and cons of our products which help in the continuous improvement of our entire product range including Glazed Metal Doors and Steel Fire Doors etc. We are ever committed to offer better than what our customers expect from us. We remain in touch with the customers for their valuable feedback in order to bring forth the best.

Quality with Innovation is most important:
Quality with Innovation is not a mere lip service at Dauerhaft Engineers (OPC) PVT. LTD., it is basically a governing principal. We are passionate about offering quality products and we achieve it by working in synergy. We ponder over quality first and then swing into action.

On Time Delivery is our Key essence:
We believe that we can only consider ourselves a pioneer in the field only if we have the capability to cater to our esteemed clients on time with a impeccable quality products.

Respect of Employees:
We treat all our team members with dignity and deep respect for their skills and talent. We firmly believe that our professionals and workers are the biggest assets of our company as they are a vital part without which no company can develop and realize its mission.

Respect company rules:
We respect the rules and regulations of the company so that our company is respected by others. We make rules, we follow rules and we respect rules. We respect the values and cultures of the communities wherein we operate.

Product Range


We are a pioneer manufacturer and supplier of highly innovative range of Glazed and Hollow Metal Door, Windows etc. We have amazing grasp over the art of creating designs that will suit the requirements in the most modern buildings and offices. Not only our designs stand apart but also the efficiency and safety features, and functional superiority make our models the most sough after in the market. Our range encompasses:
  • Doors
  • Fire Doors
  • Fire Rated Doors
  • Pressed Steel Doors & Window Frames
  • Aluminium Doors and Windows
  • Z-Section Windows
  • Fire Rated Glass
  • Intumescent Seals & Sealants
  • Panic Exit Devices
  • Metal Doors
  • Hollow Metal Door Frames
  • Fire Rated Hardwares
  • Insulated Doors
  • Air Seal Doors
  • Resistant Doors


Market Reach


From the inception, we are catering to our customers from our own manufacturing unit in Mayapuri Industrial Area located in Delhi. We are supplying our products in the pan Indian market starting from Jammu & Kashmir to Kanyakumari and are also exporting our products to various overseas markets.

Our Strength


We, at Dauerhaft Engineers (OPC) PVT. LTD., realize that our strength rests in our expertise in designing Wood & Metal Doors, Glazed Metal Fire Doors which undergo changes and customization according to the requirements of industry. Resorting to better and improved manufacturing technology and advancement in production procedure, we make it our objective to provide our customer with top-class metal doors at the modest prices. We periodically invest in the technology and improvise our infrastructure and implement the improved methods in order to achieve excellence in our work. Highly competitive industry and fast changing design, we stand ahead and are leading the market with passion for designing the doors & windows which can capture the fancy of our customers and take the company to the direction of growth and success.

Projects Successfully Completed

  • ACE Fire Services - SITE: Cushman & Wakefield - Bangalore (Fire Door)
  • Agillos E- Commerce Private limited - Bengaluru (Panic Bar)
  • Ashi Facade Pvt. Ltd. SITE: Afcons Infrastructure Ltd, Uttar Pradesh (Metal Door)
  • Charlotte Puri SITE: Defence Colony, New Delhi (Wooden Fire Door)
  • D&B Enterprises Pvt. Ltd - SITE: Samsung Mobile Battery, Uttar Pradesh (Metal Door)
  • DBD Consortium - SITE: Amity University, Raipur (Wooden Fire Door)
  • Dee Kay Buildcon Pvt. Ltd. - SITE: Safdarjung Hyundai, Mayapuri (Fire Doors)
  • Design Elegance - SITE: DHL Express I Pvt. Ltd, Uttrakhand (Fire Door)
  • Design Symposium - SITE: Indusind Bank, Dwarka (Fire Door)
  • DLF Limited - SITE: Mall Of India (Fire Doors)
  • DR. BL Kapur Hospital Memorial Hospital - SITE: New Delhi (Fire Doors)
  • Furniture Art - SITE: New Rise NH Hospital, Gurgaon (Fire Doors)
  • H.S Oberoi Buildtech Pvt. Ltd - SITE: Ethiopian Embassy, Chanakyapuri (Fire Doors)
  • Imperus Interior (I) Pvt. Ltd - SITE: DHL Express India Pvt. Ltd. - New Delhi, Rajasthan (Fire Rated Door)
  • JMD Facilities - SITE: INIT Aktiengesellschaft Fuer Digitale Kommunication, Gurgaon (Glazed Fire Door)
  • M.K Interiors - SITE: Amazon Seller Services Pvt. Ltd, New Delhi (Fire Doors)
  • Maha Durga Charitable Trust Hospital - Site: Model Town, Delhi (Fire Hose Cabinet Door)
  • RNC Construction - SITE: World Mark II, Aerocity (Glazed Fire Door)
  • RSB Projects Limited - SITE: C/o Indian Oil Corporation Limited - UNA (Glazed Fired Door)
  • S.A Interior - SITE: UEM/Toshiba YKK India Pvt. Ltd (Metal Doors)
  • Safire Technologies Pvt. Ltd - SITE: Hindustan Times Building, Connaught Place (Fire Doors)
  • Satya Developers Pvt. Ltd. - SITE: The Hermitage village, Gurgaon (Fire Doors)
  • SBP Commercial Private Ltd. - SITE: Assam House - Chanakyapuri, New Delhi (Fire Door)
  • SNS Infraprojects Pvt. Ltd. - SITE: Saint Gobain Glass India Ltd., Bhiwadi (Metal Doors)
  • ST. Thomas School - SITE: Omaxe city, Bahadurgarh Haryana (Fire shaft door & Fire Hydrant Door)
  • Stonex India Pvt. Ltd. - SITE: Kishangarh Rajasthan - (Metal Doors, Louverd Doors, Pressed Steel Windows)
  • Unique Decor (India) Pvt. Ltd - SITE: SE-30, Saudi Embassy, chanakyapuri (Pressed steel frames)
  • Unity Interiors Solution SITE: Amazon Transportation Services Pvt. Ltd., Mumbai (Fire Doors)
  • Universal Traders - SITE: Allahabad Bank Zonal Office, Lucknow (Fire Door)
  • Vishal Infrastructure Ltd. SITE: C/o Chief Construction Engineer (R&D) Gwalior Airforce Project, Gwalior (Pressed Steel Frames)
  • Yakult Danone India Pvt. Ltd - SITE: Sonipat (Fire Doors)


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