Featured Export Catalog
High-Performance Aluminum Security & Armored Entry Doors
Factory-direct fenestration engineered in Foshan, China. Fully certified to CE, AS2047, and UL fire standards.
RICHOCEAN Modern Luxury Villa Entrance Door with Aluminum Cast Aluminium Steel Glass Contemporary Design for Exterior Entry
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Fashion Interior Economic White Primer Wood Flat Moulded Door
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Cast Aluminum Security Door Security Doors for Houses Exterior Embossed Relief Carving Corrosion Prevention School Office
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High End Pivot Armored Security Door Smart Digital Lock Anti Drill Anti Pry Modern Villa Exterior Main Entrance Door
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OEM Custom Armored Entry Door Solid Steel Core Burglar Proof Thermal Insulated NFRC CE AS2047 Hotel
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Emergency Exit 3 Hours Panic bar Fire Rated Steel Doors
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Certificated Steel Fireproof Door 2 Hours Fire Resistant Emergency Escape Security Door Lock Hardware Exterior Villa Modern
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25+ Years of Fenestration Leadership
Guangdong Derki Doors & Windows Technology Co., Ltd.
Established as a premier manufacturing powerhouse in Foshan—China's global capital for aluminum extrusions and structural door manufacturing—Guangdong Derki Doors & Windows Technology Co., Ltd. operates a state-of-the-art 180,000 square meter production base backed by a dedicated workforce of over 600 skilled engineers, CAD specialists, and metallurgical technicians.
We provide vertical integration spanning continuous casting, precision CNC profile machining, thermal break assembly, surface anodizing/fluorocarbon powder coating, and rigorous ballistic/forced-entry testing. As top-tier China suppliers and exporters, we eliminate intermediary markups, guaranteeing factory-direct wholesale pricing, precision CAD shop submittals, and international compliance across 50+ countries.
180,000㎡
Production Complex
600+
Skilled Personnel
100+
Patents & Certifications
25+
Years Industry Expertise
Architectural Metallurgy & Security Specs
Engineering Anatomy of China's Premium Aluminum Security Doors
An in-depth technical breakdown of structural alloys, anti-burglary multi-point locking, thermal break insulation, and anti-corrosion chemistry.
1. High-Tensile 6063-T6 & A356 Cast Aluminum
Utilizing high-density 6063-T6 extruded aluminum profiles combined with solid A356 cast aluminum carved panels. Delivers extraordinary structural rigidity, high tensile strength (≥205 MPa), and zero structural deflection under extreme dynamic loading.
2. Anti-Pry Steel Core & Manganese Armor
Reinforced internally with a high-strength galvanized steel skeleton and anti-drill manganese steel protective plates surrounding the lock mortise. Designed to withstand mechanical drilling, violent prying, and heavy impact tools.
3. Polyamide PA66 Thermal Break Architecture
Integrated PA66GF25 (25% glass fiber reinforced polyamide) thermal barrier strips effectively interrupt thermal bridges, drastically lowering U-values to ≤1.6 W/m²K while eliminating condensation risk in severe climates.
4. Triple-Sealed EPDM Gaskets & Soundproofing
Automotive-grade continuous EPDM rubber weatherstripping combined with multi-chamber profile geometry provides sound reduction performance up to STC 42 dB, completely sealing against air infiltration and driving rain.
5. Smart Biometric & IoT Digital Lock Integration
Compatible with motorized multi-locking systems, 3D facial recognition, biometric fingerprint scanners, encrypted RFID, and smart home IoT protocols (Zigbee/Z-Wave/Matter) for keyless high-security access.
6. PVDF Fluorocarbon & Coastal Corrosion Shield
Finished with AkzoNobel PPG AkzoNobel AkzoNobel PPG PVDF fluorocarbon coatings or marine-grade anodizing (≥25 microns). Tested against 3,000+ hours of continuous salt spray (ASTM B117 standard) without blistering or fading.
Information Gain Engineering Note: Unlike conventional thin steel security doors that suffer from rust and thermal conductivity issues, China high-end extruded/cast aluminum security doors utilize non-corrosive alloys backed by composite armored cores. This delivers structural longevity exceeding 30 years even in harsh marine or tropical coastal environments.
Specification Blueprint
Material Engineering & Performance Matrix
Comparative technical analysis for architectural specifiers, general contractors, and commercial procurement directors.
| Security Door Material System | Tensile Strength | Thermal Transmittance (U-Value) | Sound Reduction (STC) | Corrosion Resistance | Recommended Application |
|---|---|---|---|---|---|
| Cast Aluminum (A356) + Armored Steel Core | ≥ 240 MPa | 1.4 – 1.8 W/m²K | 38 – 44 dB | Grade 10 (3,000 hr Salt Spray) | Luxury Villa Main Gates, Estate Mansions |
| 6063-T6 Extruded Aluminum Alloy | ≥ 205 MPa | 1.2 – 1.6 W/m²K | 35 – 42 dB | Grade 9 (2,000 hr Salt Spray) | Modern Residence, Large Pivot Exterior Entry |
| 304 / 316 Stainless Steel Security Core | ≥ 520 MPa | 2.0 – 2.5 W/m²K | 32 – 38 dB | Grade 10 (Marine Grade 316) | High-Risk Commercial, Coastal Armor Doors |
| Double-Glazed Aluminum Impact Door | ≥ 195 MPa | 1.1 – 1.5 W/m²K | 36 – 40 dB | Grade 9 (Powder Coated) | Hurricane Zones, Coastal Patio & Balcony |
Strategic Market Insights
Future Procurement & Industry Development Trends (2025–2030)
How global architectural standards, climate resilience demands, and smart home automation are reshaping the B2B aluminum door supply chain.
1. Ultra-Large Oversized Pivot Entry Architecture
Architectural trends increasingly favor seamless floor-to-ceiling single-panel entrance pivot doors scaling up to 4 meters in height and 2 meters in width. Advanced heavy-duty concealed German pivot hardware supports door leaf weights up to 800 kg with effortless fingertip operation.
2. Net-Zero & Passive House Thermal Efficiency
Stricter global building carbon codes (such as EU NZEB and US Title 24) are forcing suppliers to move away from uninsulated profiles. Multi-chamber thermal break aluminum doors filled with aerogel or high-density polyurethane insulation are becoming the baseline requirement for international buyers.
3. Multi-Hazard Dual Certification (Fire + Hurricane)
Global procurement demands are shifting toward multi-hazard fenestration. Premier China exporters now deliver unified door assemblies that simultaneously comply with UL 10C 3-hour fire ratings and Florida Miami-Dade hurricane impact standards (TAS 201/202/203).
Tested & Certified Performance
Global Building Code Compliance Guaranteed
Importing structural building components requires flawless compliance documentation. DERKI doors are independently tested and certified by recognized international testing bodies, eliminating customs hold-ups and job-site inspection failures.
- AS2047 (Australia): Certified to Level N6—the highest wind pressure, air permeability, and water tightness rating.
- UL Fire Protection (North America): UL 10B / UL 10C tested for emergency fire escape doors up to 3 hours.
- CE Marking (European Union): Compliant with EN 14351-1 fenestration safety and structural standards.
- ISO 9001:2015: Total Quality Management system across all 180,000 sqm production workshops.
Streamlined Global Sourcing
How to Source Custom Aluminum Security Doors from China
A transparent 6-step engineering protocol engineered for international importers, developers, and architects.
Step 1: Project & Drawing Review
Submit your architectural elevations or door schedule. Our CAD engineering group reviews structural dimensions, wind load ratings, and hardware requirements.
Step 2: Free CAD Shop Drawings
Within 24-48 hours, we issue detailed CAD shop drawings outlining cross-sections, frame dimensions, glass specs, and locking mechanisms for sign-off.
Step 3: Material & Finish Selection
Choose from extruded 6063-T6 or cast A356 aluminum, anodized or PVDF colors, custom 3D relief carvings, glass tints, and biometric lock configurations.
Step 4: Precision Manufacturing
Components undergo CNC automated milling, laser cutting, casting, welding, and surface coating under strict ISO 9001 quality supervision.
Step 5: Pre-Shipment Inspection & QC
Every completed door is pre-assembled on test jigs to verify lock tolerances, opening smoothness, seal compression, and surface perfection.
Step 6: Heavy Export Crating & Shipping
Wrapped in protective film, heavy corner guards, and enclosed in steel-reinforced fumigated plywood crates for damage-free ocean freight delivery.
Global Buyer FAQ
Frequently Asked Sourcing & Technical Questions
Clear engineering answers to common procurement questions from overseas distributors and contractors.
What makes aluminum security doors superior to traditional steel entry doors?
Aluminum security doors offer superior corrosion resistance (zero rust), lighter structural weight (reducing hinge wear), greater design freedom with 3D cast relief carvings, and superior thermal insulation when integrated with PA66 thermal breaks.
Can DERKI customize door dimensions, frame profiles, and colors?
Yes. 100% of our production is made to order. We customize heights up to 4 meters, width configurations, RAL color matching, wood-grain transfers, specialized hardware cutouts, and custom glass specifications based on your architectural drawings.
Which aluminum door series is best suited for high-salinity coastal environments?
For coastal sites, we recommend our PVDF fluorocarbon coated 6063-T6 aluminum doors or A356 cast aluminum doors equipped with 316 stainless steel internal locking hardware and EPDM weatherstripping, certified to pass 3,000+ hours of ASTM B117 salt spray testing.
What certifications are supplied with container orders for local building inspection?
We supply full submittal packages including CE declarations, AS2047 test certificates (N6 rating), UL fire rating test reports, ISO 9001 quality audits, and factory mill test certificates (MTC) required by local municipal inspectors.
How are oversized aluminum pivot doors protected against shipping damage during sea transit?
Doors are sealed in anti-scratch film, fitted with impact-absorbing foam corner caps, encased in moisture-barrier plastic, and fully enclosed inside heavy-duty steel-banded plywood export crates engineered for crane and forklift handling.
What is the typical production lead time and Minimum Order Quantity (MOQ)?
Our standard production lead time is 20 to 30 calendar days following final CAD drawing sign-off. We support flexible MOQs ranging from sample orders for custom single luxury villa projects up to full 40ft HQ container volumes for commercial developments.
Partner with China's Premier Aluminum Security Door Manufacturer
Send your project blueprints or door schedule today. Our English-speaking fenestration engineers will provide free CAD shop drawings, factory pricing, and structural submittal packages within 24 hours.