EN-14351 Certified
EOKO French Style Aluminum Sliding Door EN-14351 Frosted Double Glass
Commercial Hotel
Acoustic Glazing
Smooth Glide
Precision Engineering Showcase
Engineered Architectural Doors & Thermal Glazing Systems
Explore our precision-fabricated portfolio, from EN-14351 certified hotel sliding portals and multi-point security entrance doors to cold storage electric heating glass barriers and passive thermal-break casements.
OEM/ODM Direct
French Carved Full Aluminum Interior Swing Door Soundproof
Moisture-Proof
3D CNC Carving
Zero Formaldehyde
High Security
Foshan Aluminum Alloy Anti-Theft Soundproof Bedroom & Study Door
Multi-Point Lock
Eco-Friendly
Acoustic Core
Thermal Defrost
Back-up Electric Heating Glass Door for Cold Storage Facilities
Anti-Condensation
Insulated Profile
Industrial Grade
Double Glazed
Double Glazed Aluminum French Casement Exterior Patio Entry Door
Weatherproof
Tempered Safety Glass
Double Seal
NFRC Passive
Luvindow NFRC European Thermal Break Passive House Tilt Turn System
U-Value ≤ 0.8
German Hardware
Dual Axis Tilt
Thermal Shield
Guangdong Alloy Thermal Insulation Aluminum Patio Sliding Door
Heavy Duty Rail
Low-E Dual Glass
Wind Resistance
Energy Saver
Energy Efficient Double Glass Interior Kitchen Partition Sliding System
Ultra-Slim Stile
Dampened Buffer
Easy Clean Track
Enterprise Authority & Infrastructure
Why Global Procurement Directs to Guangdong Dejiyoupin (DERCHI)
Headquartered in the epicenter of the global architectural aluminum industry—Foshan, Guangdong—Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) operates as a top-tier national fenestration leader with comprehensive export engineering capability.
180,000㎡
Production Infrastructure
25+ Yrs
Industry Innovation
100+
Patents & Certifications
600+
Skilled Master Fabricators
Fully Integrated Industrial Base
DERCHI's 180,000 square meter intelligent manufacturing park in Nanhai District, Foshan houses state-of-the-art Italian CNC machining centers, automated aluminum profile precision extrusion lines, automated vertical powder coating lines, and robotics-assisted insulated glass assembly units.
Stringent Multi-Standard Certification
Our aluminum entrance configurations are independently validated against demanding global benchmarks: CE (EN-14351-1), Australian AS 2047 (N6 cyclone rating), North American NFRC thermal performance protocols, and UL 10C positive pressure fire testing standards for commercial doors.
Full Architectural Customization (OEM/ODM)
We empower architects, façade contractors, and luxury villa developers through bespoke engineering: heavy-duty pivot entries scaling up to 6 meters in height, cast-aluminum sculptured relief panels, integrated motorized biometric access, and precision thermal break assemblies.
Engineering Anatomy of High-Performance Aluminum Entry Systems
In contemporary architectural engineering, the exterior entry door is no longer merely an aesthetic threshold; it is a critical, highly stressed component of the building envelope. As China's leading aluminum entry door manufacturer and exporter, DERCHI combines 6063-T6 aerospace-grade virgin aluminum alloys with specialized polyamide PA66 GF25 thermal barriers. This eliminates structural thermal bridging, guaranteeing exceptional thermal containment even in regions with aggressive outdoor temperatures ranging from -30°C in North American winters to +55°C in Gulf summers.
Corrosion mitigation is executed through industrial-grade multi-stage surface treatments. Prior to electrostatic fluorocarbon (PVDF) or Qualicoat Class 2 architectural powder application, all aluminum profiles undergo deoxidation, degreasing, and zirconium conversion coating. This chemical bonding yields unmatched salt-spray resistance (surpassing 3,000 hours ASTM B117 standards), ensuring doors installed in coastal environments like Dubai, Miami, Sydney, and Doha remain completely immune to electrolytic corrosion, peeling, or fading.
| System Type | Core Structural Material | Thermal Performance (U-Value) | Acoustic Rating (STC) | Primary Architectural Application |
|---|---|---|---|---|
| Thermally Broken Aluminum Pivot Door | 6063-T6 Alloy / 3.0mm Wall Thickness | 0.9 – 1.4 W/m²K | 38 – 44 dB | Grand Villa Entrances, Luxury Hotels, Palatial Mansions |
| Cast Aluminum Solid Relief Door | High-Density Solid Cast Aluminum Alloy | 1.2 – 1.6 W/m²K | 40 – 46 dB | Heritage Estates, Classical Facades, High-Security Residences |
| Impact-Resistant Glazed Entry System | Reinforced Profile with SentryGlas® Interlayer | 1.1 – 1.5 W/m²K | 36 – 42 dB | Coastal Residences, Commercial Showrooms, Modern Patios |
| Commercial Flush Pivot Security Door | Dual-Sheet Aluminum with Rockwool Infill | 1.0 – 1.3 W/m²K | 42 – 48 dB | Executive Office Portals, High-Traffic Commercial Entries |
Beyond mechanical strength, every DERCHI entrance system incorporates multi-point perimeter locking assemblies with hardened steel security hooks, tamper-proof anti-drill escutcheons, and continuous EPDM foam-rubber co-extruded gaskets that deliver near-zero air infiltration (ASTM E283) and absolute cyclic water tightness (ASTM E331).
Procurement Strategy 2025–2030
Strategic Sourcing Trends for International Door Importers
Global fenestration procurement is transitioning from fragmented transactional purchases to integrated technical partnerships. Major real estate developers and general contractors now prioritize verified compliance, life-cycle durability, and integrated digital workflows.
Trend 01
Decarbonization & Circularity
Global green building standards (LEED v4.1, BREEAM) now mandate Environmental Product Declarations (EPDs). Sourcing from China requires low-carbon recycled aluminum smelting and non-toxic powder finishing that reduce embodied carbon by up to 45%.
Trend 02
Turnkey Pre-Hung Cassette Assemblies
High overseas job-site labor rates in Europe, North America, and Australia have fueled demand for completely pre-hung entry door cassettes. All hardware, hinges, weatherstripping, and electronic strikes are factory-indexed for rapid plug-and-play installation.
Trend 03
Digital BIM & Smart Integration
Procurement teams require detailed BIM (Revit) parametric families from manufacturers alongside automated integration for smart access control—facial recognition, biometric fingerprints, and IoT building management protocols.
Trend 04
Direct-to-Site Sea Crating Protection
Long-haul ocean transit across high-humidity routes demands reinforced export crating. Premium exporters utilize fumigated solid-timber skeleton crates lined with waterproof membrane wrapping, desiccants, and shock-absorbent corner armor.
Technological Evolution
The Next Generation of Architectural Entry Door Systems
Fenestration architecture is demanding grander proportions, thinner sightlines, and uncompromising structural integrity against worsening global climate anomalies.
Monolithic Oversized Pivot Systems
Single-leaf grand entrances extending up to 6,000mm in height and 2,500mm in width. Advanced floor spring assemblies engineered with German hydraulic damped pivots support leaf weights exceeding 800kg while maintaining whisper-quiet, feather-light operational friction.
Passive House Thermal Optimization
Integrating multi-cavity thermal break extrusions, vacuum-insulating aerogel cores, and argon-gas-filled triple Low-E glazing units. These innovations achieve overall system U-values as low as 0.75 W/m²K, surpassing stringent European Passivhaus standards.
Extreme Cyclone & Impact Hardening
Reinforced structural tie-bars and high-tensile architectural aluminum alloys engineered to withstand Florida TAS 201/202/203 missile impact tests and Australian AS 2047 cyclonic wind pressure regimes exceeding 4,500 Pascals.
Technical Knowledge Base
Frequently Asked Questions for B2B Importers & Specifiers
Essential technical, logistical, and compliance insights compiled by our senior fenestration engineering team.
How do DERCHI aluminum entry doors withstand extreme desert heat in the Middle East?
Our Middle East-spec entry doors utilize heavy-duty multi-chamber polyamide PA66 GF25 thermal breaks that physically separate interior and exterior aluminum sections. Combined with polyisocyanurate (PIR) insulated cores, fluorocarbon coatings that resist UV breakdown at 55°C, and vulcanized EPDM weather seals, our doors eliminate heat conduction and warping.
What surface treatment guarantees corrosion resistance in beachfront villas?
For coastal villas in Dubai, Miami, Sydney, or the Caribbean, we mandate Qualicoat Seaside certified powder coatings or Class 1 (25-micron) architectural anodizing. All exposed hinges and pivot components are fabricated from marine-grade 316 stainless steel, verified by 3,000-hour continuous neutral salt spray tests (ASTM B117).
What documentation and shop drawings do you supply for project approvals?
Upon receipt of your architectural door schedule and floor plans, our in-house engineering team provides complete 2D/3D CAD shop drawings, structural wind load calculations, finite element analysis (FEA) for oversized pivot hinges, thermal simulation reports, and product data submittal binders for client/consultant sign-off.
Can you manufacture oversized pivot doors and villa gates to bespoke dimensions?
Yes. DERCHI specializes in custom dimensions. We engineer pivot entry leaves up to 6,000mm in height and 2,500mm in width, as well as cast-aluminum compound main entrance gates with customized Arabesque, classical European, or contemporary geometric motifs tailored to your specifications.
How are fragile oversized doors protected during ocean container freight?
Each unit undergoes pre-assembly inspection before receiving protective film, perimeter foam bumpers, and vacuum-sealed desiccant packaging. Doors are subsequently secured in heavy-duty, fumigated plywood export crates equipped with internal steel bracing and shock indicators to guarantee flawless job-site arrival.
What is the typical production lead time for customized commercial projects?
Standard architectural customization runs on a 25 to 35-day factory manufacturing cycle following CAD shop drawing confirmation. Rapid sample prototyping is available in 10 to 14 days, supported by our 180,000㎡ facility and in-house mold and profile inventory.
Initiate Your Architectural Entry Door Specification
Partner directly with China's premier manufacturer and exporter. Send your door schedule, project elevations, or bespoke design sketches to our engineering department for comprehensive CAD shop drawings, acoustic/thermal submittals, and factory-direct project pricing within 24 hours.