About DERCHI
Pioneering High-End Door & Window Manufacturing
As a top-ranking Chinese exporter in the door and window industry, DERCHI (Guangdong Dejiyoupin Doors and Windows Co., Ltd.) provides global customers with premium, one-stop customized aluminum door and window solutions. Recognized by the world-class media Xinhua News Agency as a "China Famous Brand", we specialize in the research, development, and manufacturing of high-end doors for the global market.
With our advanced manufacturing facilities and strong R&D capabilities, we deliver high-quality products and reliable project support to clients worldwide. We are dedicated to pushing the boundaries of architectural design, security, and thermal performance.
Certifications & Patents
Tested and certified to meet the most rigorous international standards for security, energy efficiency, and weatherproofing.
DERCHI holds over 100 national patents, including our exclusive, groundbreaking Four-Side Six-Point Lock invention patent for enhanced burglar resistance and structural tightness. Our products undergo rigorous testing to comply with international regulations, ensuring long-lasting durability and peace of mind.
Intelligent Manufacturing & Technology
Precision engineering powered by advanced German technology and strict quality assurance protocols.
German Automated Equipment
Equipped with three German fully automated thermal strip insertion machines and eight internationally advanced automated production lines for seamless structural precision.
Rigorous Quality Checks
We execute 168 strict production processes and 38 quality inspections to ensure that every single door leaving our facility meets our zero-defect standards.
Advanced Testing Center
Our independent window and door performance testing and experimentation center simulates extreme weather conditions, including hurricanes, heavy rain, and extreme temperatures.
Featured Premium Aluminum Entry Doors
Explore our selection of top-performing modern entrance doors, built for high-end residential and commercial applications.
Extra Large Aluminum Entry Door | Solid Wood Glass Sidelight
Combining the structural rigidity of premium aluminum with the organic warmth of solid wood sidelights. Perfect for grand residential entrances.
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Aluminum Double Glazed Pivot Door | Big Size Glass Front Entry
Features double-glazed safety glass and a premium pivot hinge mechanism, allowing effortless operation for oversized architectural doors.
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Luxury Aluminum Front Entry Doors | Soundproof Villa Security
Engineered specifically for luxury villas, providing outstanding acoustic insulation and high-grade anti-theft security features.
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Minimalist Aluminum Pivot Door | Wood Grain Villa Front Entry
Offers a sleek, minimalist aesthetic with a durable wood grain finish that delivers the beauty of timber without the maintenance.
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Aluminum Villa Double Doors | Luxury Custom Exterior Security
A grand double-door entrance featuring high-strength aluminum frames and multi-point locking systems for maximum structural security.
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Hurricane Rated Aluminum Pivot Door | Commercial Front Entry
Impact-resistant and fully certified for coastal areas prone to severe storms. Combines bold modern design with structural durability.
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NFRC American Aluminum Security Pivot Doors with Smart Lock
Certified by the NFRC for the North American market, equipped with advanced smart locks and thermal break profiles.
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Modern Impact Resistant Aluminum Entrance Doors for House
Engineered to withstand physical impact and extreme pressure, keeping your home safe and well-insulated in all seasons.
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Custom Hurricane Impact Aluminum Pivot Doors with Smart Lock
Custom-made pivot entries featuring heavy-duty aluminum extrusions, multi-point lock systems, and hurricane-proof laminated glass.
View Product DetailsAdvanced Production Line and Equipment
A glimpse inside our state-of-the-art 180,000 m² manufacturing base, designed for optimal efficiency and quality control.
Automated Production Lines
Equipped with eight internationally advanced automated production lines for high-precision assembly.
Smart Logistics & Warehousing
Five intelligent warehouses ensure rapid material handling and damage-free storage of profiles.
Why Choose Modern Aluminum Entry Doors?
Technical performance and design benefits that make aluminum the ideal choice for modern construction.
1. Superior Thermal Break Technology
Modern aluminum entry doors are no longer just cold metal barriers. With integrated multi-chamber polyamide thermal breaks, our doors prevent heat transfer between the interior and exterior. This drastically reduces cooling and heating loads, making them fully compliant with Energy Star standards and contributing to green building certifications.
2. High-Strength Structural Integrity
Unlike wood which warps under moisture, or steel which can rust over time, aluminum offers an unparalleled strength-to-weight ratio. It allows for ultra-large pivot designs and expansive glass elements without compromising structural safety. Our impact-rated doors are tested to withstand extreme hurricane forces and high wind loads.
3. Multi-Point Locking & Advanced Security
Security is paramount for any entrance. DERCHI doors feature our patented Four-Side Six-Point Lock system, interlocking the door frame on all sides. When integrated with modern smart lock systems (such as fingerprint scanners, keypad entry, and facial recognition), your home benefits from military-grade protection against forced entry.
4. Corrosion Resistance & Low Maintenance
Finished with high-performance powder coatings or anodized treatments, our entry doors resist UV degradation, coastal salt spray, and physical scratching. A simple wipe down with water is all that is needed to keep the doors looking brand new for decades.
Frequently Asked Questions (FAQ)
Common inquiries about our modern aluminum entry doors and manufacturing processes.
Can DERCHI customize doors to fit specific architectural drawings?
Yes, absolutely. As a specialized manufacturer, DERCHI offers comprehensive customized services. We can adjust dimensions, profile thicknesses, glass types, finishes (powder coating, fluorocarbon, wood grain), and hardware configurations to precisely match your project specifications.
What makes your aluminum entry doors hurricane-proof?
Our hurricane-rated doors utilize reinforced aluminum profiles, heavy-duty hardware, and laminated impact-resistant glass. They are tested under extreme cyclic pressure and wind load conditions to meet stringent certification standards (such as NFRC and Florida Building Code requirements).
What is the typical lead time for international orders?
Generally, production takes 30 to 45 days after the final shop drawings are approved and the deposit is received. Shipping times vary depending on the destination port, but we offer full support for logistics and customs documentation to ensure smooth delivery.
Do you offer warranty on your aluminum doors?
Yes, we stand behind our products. DERCHI offers structural warranties on our aluminum profiles, glass units, and premium hardware systems. Please contact our sales team for detailed warranty documentation tailored to your specific product lines.
Start Your Custom Project Today
Connect with our engineering team to receive a free design consultation, catalog, and detailed quote for your project.