Precision Steel Doors.
Certified for Life Safety.
STRONG DOORS. SAFE SPACES.
Specializing in the design, engineering, and manufacturing of high-performance hollow metal pressed steel doors, fire-rated doors, windows, and architectural containment frames across India.
Strength You Can Trust
Engineered from prime cold-rolled and hot-dip galvanised steel to withstand extreme structural pressure and rigorous daily duty cycles.
Premium Quality
Flawless robotic and fiber laser cutting with 0.1mm zero-tolerance alignment, reinforced hinge pockets, and architectural finishes.
Fire Safety Solutions
Fully certified assemblies tested and compliant with IS 3614:2021 (Amended 2023), BS 476 Part 20 & 22, and UL 10C life-safety standards.
Advanced Engineering
Automated multi-axis CNC press-brake bending, perimeter intumescent channel profiling, and custom acoustic/radiation core integration.
Built For Performance
Heavy-duty assemblies tested for cyclic durability, thermal radiation insulation, and long-term acoustic isolation in harsh environments.
Engineered for Integrity.
Trusted Across India.
DORPRIME™ specializes in manufacturing metal fire doors for exterior and interior applications. We have built a strong reputation as a trusted manufacturer and supplier of hollow metal pressed doors & frames, fire rated doors, and windows & window frames.
Our products are widely specified in commercial complexes, industrial parks, healthcare institutions, and high-rise residential towers nationwide. Every assembly is manufactured in strict compliance with IS 3614:2021 (Amended 2023) and BS 476 part 20 & 22, ensuring reliable fire endurance, structural strength, and uncompromised life-safety performance.
Panch Kakraul South Block Rahika, Tola Kharoua, Near Kapleshwar Asthan. Equipped with fiber laser cutting, multi-axis bending, and automated assembly bays.
Mr. Dipak Ray
Owner & Managing Director — Bihari Steel Solutions Pvt. Ltd.“Under the leadership of our Owner, Mr. Dipak Ray, we have earned the confidence of clients across India by standing firmly on uncompromising engineering standards, ethical transparency, and certified life-safety compliance.”
Driven by a focus on self-reliant Indian manufacturing, Mr. Dipak Ray established our advanced production hub to supply world-class hollow metal pressed doors, fire-rated assemblies, and architectural containment systems that compete directly with global benchmarks while keeping turnaround times rapid and dependable.
Our Strength: Dedicated Engineering Professionals
Our strength lies in a team of skilled and dedicated professionals who work in close coordination to deliver the best solutions to our clients. Supported by experienced management, we ensure quality products, timely execution, and dependable service.
We regularly conduct technical seminars, hands-on workshops, and rigorous operator training programs to keep our workforce continuously updated and strictly aligned with evolving national and international fire safety standards.
CNC & Laser Technicians
Operating multi-kilowatt fiber laser cutting beds and multi-axis CNC press brakes with 0.1mm zero-tolerance accuracy for flawless door leaves and box frames.
Metallurgical QA Inspectors
Auditing prime hot-dip galvanised and cold-rolled steel coils, verifying weld penetration, paint thickness, and hardware reinforcement plate integrity.
Project Execution & Dispatch
Coordinating schedule milestones directly with MEP contractors, architects, and site engineers for synchronized, zero-delay site deliveries.
Why Industry Chooses DORPRIME
We are committed to delivering premium quality hollow metal pressed steel doors, frames, and fire rated doors with an unyielding focus on quality, timelines, and client satisfaction.
Robust Infra-Structural Base
State-of-the-art manufacturing plant equipped with high-precision fiber lasers, heavy-duty CNC press brakes, and automated powder coating bays.
Client-Centric Approach
Flexible architectural customization accommodating bespoke wall openings, custom vision panel dimensions, and specialized panic hardware.
Ethical Business Policies
100% transparent procurement of certified prime steel coils with factory test certificates, metallurgical mill reports, and honest warranty commitments.
Well-Equipped Warehouse
Extensive raw material stockpiling and organized finished inventory in Madhubani, Bihar ensuring seamless project turnaround times.
Vast Distribution Network
Pan-India logistics capabilities delivering certified door assemblies directly to commercial high-rises, industrial parks, and hospitals nationwide.
Guaranteed Timely Delivery
Rigorous project-driven production planning that adheres strictly to contractor milestones and critical path construction schedules.
Market Leading Prices
Direct-from-plant pricing that eliminates intermediary markups while maintaining uncompromised certified steel thicknesses and tested ratings.
Ready to Specify DORPRIME Doors for Your Project?
Connect directly with our engineering plant desk in Madhubani, Bihar for technical datasheets, certified door schedules, and competitive direct-from-plant quotation.