Export-Grade Architectural fenestration
Featured Engineering Systems & Bay Window Assemblies
Engineered to conform with strict European Building Directives (EN 14351-1), Australian Standards (AS 2047 N6), and global energy efficiency benchmarks. Discover our turnkey fenestration options tailored for luxury villas and upscale multi-family facades.
AS2047 NFRC Thermal Break Aluminum Hurricane Proof Impact 4 Tracks Large Patio Sliding Door
Modern Fiberglass Insect Screen Mesh Roll Fire-Proof Corrosion Resistant Fly Screen System
CBMmart Exterior Residential Front Door Wrought Iron Architectural Security Entry Door
Modern WPC Aluminum Wood Composite Interior and Exterior Door for Luxury Hotel & Villa
Modern Flush Aluminum Alloy Double Glazing Tempered Glass Patio Sliding System
CHANGYI Architectural Champagne Anodized Aluminium Sliding Glass Window Profile Frame
High-End Aluminum Louvred Integrated Architectural Sliding System for Sunrooms & Bay Facades
25+
Years Manufacturing Experience
180,000m²
Industrial Production Base
600+
Skilled Technical Workforce
100+
International Patents & Certs
Enterprise Strength & Engineering Pedigree
Why Top Global Specifiers Choose DERCHI
Guangdong Dejiyoupin Doors and Windows Co., Ltd. is ranked among China's Top 10 fenestration enterprises. Operating out of Foshan's high-tech industrial zone, we bridge structural engineering, European aesthetics, and mass-customization.
CE & AS2047 Compliance
Factory-audited and strictly certified to EN 14351-1, ISO 9001, AS 2047 N6, and UL fire ratings. Full acoustic and wind-tunnel laboratory reports provided per consignment.
Free BIM & CAD Detailing
Our dedicated engineering department develops multi-angle mullion assemblies, bay window 3D CAD models, structural wind load analysis, and thermal break shop drawings.
Export Packaging Safeguards
Each bay unit utilizes multi-tier anti-scratch protection: static film, reinforced corner caps, custom fumigated plywood crates, and specialized marine desiccant packing.
Direct Export Logistics
Eliminate middleman friction with transparent FOB and CIF services to major hubs globally, direct technical warranty support, and installation engineering assistance.
Structural Integrity & Fenestration Science
Engineering CE Certified Aluminum Bay Windows
Aluminum bay windows represent one of the most structurally complex architectural fenestration assemblies. Unlike conventional flat casements, bay configurations project outward from the main building envelope, creating a multifaceted polygonal facade—typically configured at 30°, 45°, or 90° bay angles.
At Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI), our CE-certified aluminum bay systems utilize extruded 6063-T6 architectural aluminum alloy profiles engineered with multi-chamber thermal breaks. The structural linchpin of our system is the proprietary variable-angle reinforced structural mullion, containing an internal concealed galvanized steel or heavy aluminum tubular stiffener capable of resisting extreme cyclic wind pressures (tested up to AS 2047 N6 standards exceeding 4500 Pa).
To satisfy stringent European energy conservation guidelines (such as the Energy Performance of Buildings Directive - EPBD), our thermal breaks utilize PA66 GF25 (polyamide 6.6 reinforced with 25% glass fiber) insulation strips. This thermal decoupling prevents condensation along internal window perimeters, elevates thermal resistance, and drops overall assembly U-values down to passive-house certified ranges when integrated with argon-filled, warm-edge triple glazing.
| Engineering Parameter | DERCHI CE Specification Standard | Standard Industry Average | Building Code Benefit |
|---|---|---|---|
| Structural Profile Alloy | 6063-T6 High-Tensile Aluminum (Wall thickness: 2.0mm - 3.0mm) | 6063-T5 (Wall thickness: 1.4mm - 1.6mm) | Superior torsional rigidity for multi-panel cantilevered bay weights |
| Thermal Barrier System | PA66 GF25 Polyamide Strips (Width: 24mm - 34mm) | Standard PVC or 14mm Polyamide | Drastic U-value reduction down to Uw ≤ 1.1 W/m²·K |
| Water Tightness (EN 12208) | Class E900 (900 Pa pressure differential) | Class 4A / 7A (150 - 300 Pa) | Zero leakage during sustained typhoon and torrential rain events |
| Acoustic Attenuation (ISO 717-1) | Rw 42 dB to 48 dB (with laminated acoustic IGU) | Rw 28 dB to 32 dB | Total acoustic isolation from urban traffic and ambient noise |
| Surface Coating Resilience | Qualicoat Class 2 Fluorocarbon (PVDF) / AkzoNobel Powder | Standard Electrostatic Spraying | Resists 3000hr accelerated salt-spray; UV fading immunity |
Industry White Paper Insights
Future Procurement Trends in Architectural Aluminum Windows
Global market demand is transitioning away from commodity fenestration toward high-performance structural systems. As architects, general contractors, and developers map their next 5-year capital procurement cycles, five dominant paradigms define window specification.
Ultra-Low U-Values & Embodied Carbon
With strict international building carbon mandates, bay window procurement prioritizes circular aluminum billets smelted using renewable hydro-power, paired with warm-edge spacers, low-E soft coatings, and krypton/argon thermal insulation layers.
Ultra-Slim Sightlines & Structural Glazing
The appetite for minimalist architecture has catalyzed demand for concealed frame profiles. Future bay systems integrate glass-to-glass 90-degree structural silicon corner joints, eliminating heavy framing members to yield expansive 180° panoramic vistas.
Smart-Home Automation & Micro-Ventilation
High-end project schedules increasingly mandate concealed motorized chain actuators, automated weather-sensing rain closing systems, and intelligent ventilation louvers embedded inside perimeter bay head jambs.
Comprehensive Factory Capabilities
Pre-Engineered Modular Bay Window Assemblies
Historically, jobsite installation of bay windows suffered from excessive labor overheads, seal failures at variable corner mullions, and misalignments between independent frames. DERCHI leads the evolutionary shift toward factory-assembled modular bay cassettes.
By calibrating CNC-machined corner adapters under controlled factory conditions, all vulcanized EPDM continuous gaskets, structural tie-rods, and head/sill flashings are calibrated before crate packing. This eliminates up to 60% of field assembly times for overseas contractors while guaranteeing absolute water and air envelope integrity.
Technical Procurement Advisory
Frequently Asked Questions for Project Specifiers
Direct technical and commercial clarifications compiled by DERCHI's chief export engineering division to streamline cross-border fenestration procurement.
What specific test criteria qualify your aluminum bay windows for the CE mark?
Our CE certification adheres directly to harmonized European standard EN 14351-1 (Windows and external pedestrian doorsets). This mandates verified third-party laboratory performance certificates for Wind Load Resistance (EN 12210), Water Tightness (EN 12208), Air Permeability (EN 12207), Acoustic Isolation (EN ISO 717-1), and Thermal Transmittance U-value calculations (EN ISO 10077-1/2). Complete Declaration of Performance (DoP) documents are issued for every export shipment.
How does your factory ensure the structural stability of projecting bay windows against dead-load sagging?
Projecting bay windows bear massive combined cantilevered dead-loads from insulated double/triple glazing units. DERCHI designs integrate internal structural load-bearing corner posts with reinforced high-moment-of-inertia chambers, reinforced bottom support brackets, and overhead high-tensile stainless steel cable suspension tie-back systems anchored directly into structural building slabs.
Can DERCHI customize corner mullion angles outside of standard 30°, 45°, and 90° layouts?
Yes. We possess dedicated profile extrusion capabilities and 5-axis CNC machining centers allowing fabrication of variable-angle articulating mullions from 15° to 175°. Our engineering team develops customized CAD shop drawings and Finite Element Analysis (FEA) based on your structural opening specifications to verify performance prior to casting and extrusion.
What hardware systems and surface treatments are utilized for coastal marine environments?
For projects in high-salinity marine or tropical environments, we utilize premium multi-point locking gear sourced from world-class European hardware manufacturers (such as Siegenia, Roto, or HOPPE) fabricated from SS304/SS316 stainless alloys. Aluminum frame finishes feature Qualicoat Class 2 certified PVDF fluorocarbon coatings or 25-micron architectural anodization resistant to 3,000+ hours of neutral salt spray testing.
What is your typical production lead time and export crating methodology for container shipping?
Standard engineering review and shop drawing sign-off takes 3–5 working days. Fabrication lead time averages 25–35 days depending on glass treatment complexities. Windows are protected with protective laser film, shock-absorbing cellular foam corner guards, and crated in fully-enclosed, non-fumigation treated solid plywood crates engineered for seamless forklift unloading at project jobsites.
How does DERCHI collaborate with international architects and general contractors on BIM models?
Our technical support team provides native Autodesk Revit (.RFA) families, IFC files, and 2D DWG detail drawings with fully parametric profile dimensions, actual thermal properties, and structural load calculations. This enables architects to integrate our CE certified assemblies directly into architectural models with zero modeling delay.
Enterprise Reliability
Foshan Manufacturing Excellence with 25+ Years of International Provenance
Founded with the objective of setting global architectural standards, Guangdong Dejiyoupin Doors and Windows Co., Ltd. has expanded into a flagship 180,000 square meter intelligent manufacturing park in Foshan, Guangdong. Backed by 600+ specialized technicians, computerized multi-head cutting equipment, automated corner crimping lines, and an in-house performance testing laboratory, we operate at the frontier of industrial window fabrication.
Having executed prestigious residential villas, luxury hotels, and high-rise commercial facade contracts across North America, Europe, Australia, and South Asia, DERCHI offers an integrated single-source warranty covering structural profiles, insulated glazing units, and engineered hardware mechanisms.
Equip Your Next Project With Certified Architectural Fenestration
Connect directly with our senior fenestration facade engineers to request full technical submittals, window profile CAD details, acoustic test matrices, or comprehensive project budget estimations.
Get Catalog