Company Profile
As a top-ranking Chinese exporter in the door and window industry, DERCHI provides global customers with one-stop customized aluminum door and window solutions. With advanced manufacturing facilities and strong R&D capabilities, we deliver high-quality products and reliable project support to clients worldwide.
DERCHI Doors and Windows (Guangdong Dejiyoupin Doors and Windows Co., Ltd.) has been 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 and windows for the global market, offering strong innovation capabilities and large-scale production capacity.
Our Manufacturing Power
Operating from our massive industrial park, DERCHI combines state-of-the-art automation with rigorous engineering to deliver unmatched production capacity.
Advanced Production & Quality Control
Our focus on precision engineering is supported by advanced German equipment and rigorous testing procedures, ensuring every security door meets extreme safety and thermal efficiency benchmarks.
Experimentation Center
An independent window and door performance testing and experimentation center, designed to simulate extreme wind loads, water penetration, and forced entry attempts.
Production Quality
Guided by a strict zero-defect philosophy, our manufacturing flow integrates 168 detailed production processes and 38 quality inspections to verify structural integrity.
Automated Production
Equipped with eight internationally advanced automated production lines, ensuring high precision, consistent finishes, and optimized lead times for large-scale projects.
Advanced Machinery & Infrastructure
To maintain our status as a premier aluminum security door manufacturer, we continuously invest in cutting-edge technology. Our manufacturing lines feature:
- Six glass production lines: Producing high-performance double and triple glazed insulated glass.
- Five intelligent warehouses: Optimizing raw material storage and finished product logistics.
- Three German automated strip insertion machines: Guaranteeing thermal break performance and structural strength.
Featured High-Security Aluminum Doors
Explore our curated selection of high-performance architectural doors, designed for luxury villas, commercial entrances, and high-end residential developments.
Extra Large Aluminum Entry Door | Solid Wood Glass Sidelight
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Aluminum Double Glazed Pivot Door | Big Size Glass Front Entry
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Double Glazed Glass Pivot Entry Door | Big Size Aluminum Front
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Luxury Aluminum Front Entry Doors | Soundproof Villa Security
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Aluminum Villa Entry Double Doors | Luxury Custom Exterior Security
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Hurricane Rated Aluminum Pivot Door | Commercial Front Entry
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Bespoke Aluminum Pivot Entry Door | Anti-Theft Soundproof Villa
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DERCHI NFRC American Aluminum Security Pivot Doors with Smart Lock
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Modern Impact Resistant Aluminum Entrance Doors for House
View Product DetailsCertifications & Honors
DERCHI holds over 100 national patents, including the exclusive Four-Side Six-Point Lock invention patent for enhanced security. Our products meet international standards and certifications including Hurricane Certification, CE (EU), NFRC (USA), AS2047 (Australia), CSA (Canada), Energy Star, and ISO 9001.
These certifications demonstrate our commitment to delivering superior structural engineering, energy conservation, thermal performance, and impact resistance. Whether building in cyclone-prone zones or cold northern climates, our custom aluminum security doors are certified to perform.
Our Production Facility & Workshop
A visual tour inside DERCHI's manufacturing facility, showcasing our precision machining, extrusion assembly, profile processing, and packaging lines.
Trusted Partner Worldwide for Aluminum Windows & Doors
There are more than 700 exclusive shops spread out many cities in China. We serve more than 100 countries around the world and have provided quality door and window products and services for 100,000+ projects.
Understanding Aluminum Security Doors: A Buyer's Guide
When choosing an aluminum security door manufacturer, it is crucial to evaluate structural integrity, material grade, security mechanisms, and thermal efficiency. Modern architectural trends demand entrances that are not only highly secure but also visually striking. Aluminum alloy is the material of choice due to its high strength-to-weight ratio, resistance to corrosion, and capacity for sleek, minimalist designs.
Why Choose Aluminum Security Doors?
Unlike traditional steel or wood entry doors, aluminum security doors offer a unique set of benefits:
- Strength and Light Weight: High-grade T5/T6 aluminum alloys provide robust structural integrity without the excessive weight of solid steel, reducing stress on pivots and hinges.
- Corrosion Resistance: Aluminum naturally forms a protective oxide layer, preventing rust even when exposed to harsh coastal environments or heavy rainfall.
- Thermal Performance: By utilizing thermal break technology (polyamide insulation strips), aluminum doors block heat transfer, keeping homes energy efficient.
DERCHI's Patented Security Engineering
At the heart of DERCHI's product range is our proprietary security innovation. Our doors feature the patented Four-Side Six-Point Lock system. This advanced mechanism secures the door panel into the heavy-duty frame at six critical points across four sides, making forced entry virtually impossible.
Combined with smart lock integration (including biometric fingerprint scanning, RFID cards, and encrypted mobile access), DERCHI doors deliver complete peace of mind.