CE / Coastal
Hurricane Impact CE Double Glazed Aluminum Sliding Windows
- Profile: 2.0mm 6063-T6 Extrusion
- Glass: 6mm+12A+6mm Tempered Low-E
- Standard: CE / Hurricane Resistance
Engineered Product Lines
Featured Double Glazed Aluminum Windows & Architectural Systems
Direct factory supply from our 180,000 m² Foshan manufacturing base. Precision-machined 6063-T5/T6 structural aluminum frames, multi-cavity PA66 GF25 thermal breaks, and argon-filled Low-E insulated glazing units built to withstand rigorous climate zones.
Large Span
American Style Large Double Glazed Aluminum Picture Windows
- Type: Panoramic Fixed Picture Window
- Thermal: U-value ≤ 1.4 W/m²K
- Coating: AkzoNobel Fluorocarbon
NFRC / AS2047
EOKO High Performance NFRC AS2047 Aluminum Sliding Windows
- Acoustic: Rw 38 dB Sound Insulation
- Track: Heavy Duty SS304 Rail
- Testing: AS2047 / NFRC Verified
Bi-Fold Full View
Full View Exterior Folding Bi-Fold Balcony Window System
- Hardware: German Siegenia / CMECH
- Seal: EPDM Dual Weatherstripping
- Application: Balcony, Patio, Sunroom
Casement System
Fuson Guangdong Hurricane Proof Aluminum Casement Window
- Locking: Multi-point Perimeter Locks
- Airtightness: EN 12207 Class 4 Level
- Hinges: Heavy-duty Friction Stays
Tempered Patio
Customized Aluminum Double Tempered Glass Patio Sliding System
- Glass: SGCC Certified Laminated Safety
- Water Infiltration: ≥ 700 Pa High Water Head
- Design: Recessed Flush Threshold
Thermal & Acoustic
APRO Thermal & Sound Insulated Contractor Aluminum Window
- Break: PA66 GF25 Polyamide Strip
- Infill: Argon Gas Warm-Edge Spacer
- Target: High-Rise Residential Projects
Frameless Panoramic
Panoramic Frameless Bi-Fold Double Glazed Window System
- Sightline: Ultra-Slim Minimalist Profile
- Panels: Interlocking Weatherproof Hinges
- Usage: Luxury Villas, Hospitality Facades
Industrial Scale & Engineering Rigor
Foshan Manufacturing Powerhouse: 25+ Years of Export Excellence
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) operates China's leading intelligent fenestration production hub, serving commercial general contractors, structural engineers, and building material distributors across 80+ nations.
180,000m²
Integrated Factory Base
600+
Skilled Specialists & Engineers
100+
Patents & Global Certs
25+
Years Production Leadership
Free In-House CAD & BIM Drafting
Our fenestration engineering team transforms architectural door and window schedules into fully parametric shop drawings, wind load calculations, and anchor detailing at zero upfront cost.
Full International Compliance
Factory-tested and certified to CE (EN 14351-1), Australian Standards AS2047 / AS1288, North American NFRC / AAMA, and ISO 9001 quality management standards.
CET & GMT Engineering Alignment
English-speaking fenestration project directors available across North American and European business hours to troubleshoot site tolerances, wind loadings, and sub-frame integration.
Multi-Tier Supply Chain Integrity
Primary virgin 6063-T5 aluminum ingots, German-origin Technoform polyamide thermal strips, DOW Corning structural silicone, and premium hardware from Siegenia, CMECH, and Hoppe.
Engineering Whitepaper
Technological Innovations in High-Performance Aluminum Double Glazed Windows
Modern building energy codes, including the EU Energy Performance of Buildings Directive (EPBD 2024 revisions), ASHRAE 90.1, and Australia's NCC Section J, demand a structural paradigm shift in window manufacturing. Here is how modern Chinese fenestration engineering achieves ultra-low U-values without aesthetic compromise.
Multi-Cavity PA66 GF25 Polyamide Thermal Barriers
Traditional single-strut polyurethane pour-and-debridge systems have been entirely superseded by precision-extruded polyamide 6.6 reinforced with 25% glass fiber (PA66 GF25). This matching coefficient of thermal expansion (α ≈ 2.4 × 10−5 /K) prevents shear delamination across extreme diurnal temperature fluctuations.
- Continuous multi-cavity chambers filled with low-density expanded polyolefin foams (lambda ≤ 0.031 W/mK).
- System frame thermal transmittance (Uf) reduced from 3.8 W/m²K down to 1.1 - 1.4 W/m²K.
- Elimination of interior frame condensation even at −25°C exterior ambient temperatures.
Magnetron Sputtered Triple-Silver Low-E Coatings
Glass accounts for over 75% of a fenestration unit's exposed surface area. Advanced vacuum magnetron sputtering deposition (MSVD) applies atomic layers of silver and metal oxides onto surface #2 or #3 to isolate infrared radiative flux from visible light wavelengths.
- High visible light transmittance (VLT > 68%) paired with extremely low Solar Heat Gain Coefficients (SHGC ≤ 0.28).
- Cavity filled with 90% purity Argon gas bound by flexible warm-edge composite hybrid silicone spacers.
- Overall fenestration system Uw values reliably engineered below 1.2 W/m²K (0.21 Btu/h·ft²·°F).
Low Embodied Carbon & Closed-Loop Extrusions
BREEAM, LEED v4.1, and DGNB rating criteria now mandate full Lifecycle Assessment (LCA) declarations. Chinese manufacturers lead global adoption of hydropower-smelted low-carbon green aluminum with traceable environmental product declarations (EPD).
- Embodied carbon density dropped from 14.2 kg CO₂e/kg aluminum down to < 4.0 kg CO₂e/kg virgin billet.
- 100% recyclable billet alloy 6063 with tightly controlled Fe, Si, and Mg stoichiometric grain ratios.
- Chrome-free pre-treatment chemical baths paired with 30-year Qualicoat Class 2 hyper-durable powders.
| Performance Dimension | International Standard | Performance Benchmark | DERCHI Factory Execution Specification |
|---|---|---|---|
| Thermal Transmittance (U-Value) | EN ISO 10077-1 / NFRC 100 | Uw ≤ 1.30 W/m²K | PA66 GF25 34mm thermal break + 6LowE+16Ar+6 Clear Argon filled insulated glass. |
| Air Permeability / Leakage | EN 12207 / ASTM E283 | Class 4 / ≤ 0.1 cfm/ft² | Continuous EPDM vulcanized co-extruded gaskets with vulcanized injection corner pieces. |
| Water Tightness Under Static Pressure | EN 12208 / ASTM E331 | Class 9A / 1200 Pa | Staggered weep-hole drainage matrix with back-flow baffles and stepped pressure cavities. |
| Wind Load Structural Resistance | EN 12210 / AS 2047 N6 | Class C5 / Serviceability 3000 Pa | Structural profile wall thickness ≥ 2.0mm - 3.0mm; high-moment steel inertia bar inserts. |
| Acoustic Attenuation (STC / Rw) | EN ISO 717-1 / ASTM E90 | Rw ≥ 38 - 44 dB | Asymmetrical glass thicknesses (e.g., 8mm + 12Ar + 6mm) or 0.76mm acoustic PVB interlayers. |
| Surface Finish Resilience | AAMA 2605 / Qualicoat Class 3 | Salt Spray ≥ 4,000 Hours | Fluoropolymer PVDF 3-coat electro-deposition or anodized 25-micron hard marine grade finish. |
Market Foresight 2026-2030
Global Procurement Trends: Direct Sourcing from China Exporters
General contractors, commercial facade fabricators, and real estate developers are restructuring supply networks away from local tier-3 middlemen toward direct OEM integration with scaled Foshan factories. These four macro factors dominate the B2B purchasing roadmap.
Unitized Prefabrication & Glazed Assembly
Labor shortages across Europe, North America, and Australasia have elevated site installation costs by over 45%. Sourcing fully pre-glazed, pre-hung window systems directly from China eliminates erratic jobsite wet glazing.
All perimeter expansion brackets, flashing sub-sills, and dry gaskets arrive pre-installed, shortening on-site envelope closure timelines by up to 60% per floor level.
Smart Building & Concealed Motorization
The convergence of building management systems (BMS) and fenestration is now an architectural baseline. Wholesale procurement specifications increasingly demand concealed actuator motors integrated into frame rebate cavities.
Direct compatibility with KNX, Zigbee 3.0, and BACnet protocols enables automated nocturnal cooling purge cycles, rain-sensor closure, and motorized acoustic micro-ventilation.
Risk De-Risking via Third-Party Mill Audits
Institutional buyers are mitigating offshore risk by executing container-level unannounced audits via SGS, Intertek, or TÜV Süd directly on Chinese factory staging floors.
Leading exporters like DERCHI welcome complete hydrostatic water booth testing, Q-UV accelerated weathering checks, and digital spectrometer color variance (Delta E < 0.5) verification prior to ocean lading.
Procurement Intelligence
Frequently Asked Questions for Project Specifiers & Buyers
Critical answers regarding lead times, international code testing, protective packaging, minimum order quantities (MOQ), and shipping logistics for wholesale aluminum double glazed windows.
How do Chinese aluminum double glazed windows achieve compliance with European CE, US NFRC, and Australian AS2047? +
Compliance is not generic; it is project-engineered. At DERCHI, our fenestration profiles are specifically extruded using primary 6063-T5/T6 architectural alloys and assembled with certified European polyamide thermal break bars. Our insulated glass units (IGUs) are certified under CE EN 1279 for moisture vapor sealing, SGCC (Safety Glazing Certification Council) for North America, and AS/NZS 2208 for Australia. Before manufacturing, our engineering department provides shop drawings, structural section moduli (Ix and Iy values), and third-party test reports showing compliance with air infiltration, water penetration resistance, and structural design pressures.
What are the typical lead times for custom commercial wholesale orders? +
Production lead times depend on system complexity and finish. Standard powder-coated RAL finishes with verified CAD shop drawings typically require 25 to 35 business days from 30% deposit and technical approval. Custom anodized (25-micron marine grade) or custom fluorocarbon PVDF finishes require approximately 35 to 45 business days. We provide clear Gantt chart manufacturing milestones with weekly photographic inspection updates from the Foshan factory floor.
How does the factory prevent glass breakage and frame corrosion during trans-oceanic container freight? +
We utilize heavy-duty export packaging standards engineered for intermodal container transit. All aluminum frame profiles are wrapped in protective non-residue PE protective film, fitted with impact-resistant polypropylene corner shields, and sealed in airtight humidity-controlled thermal shrink wrap with desiccant packs. The complete window units are packed vertically inside fumigated ISPM-15 compliant solid plywood crates equipped with forklift entry skids, rubber buffer flooring, and steel strapping to prevent movement in rough seas.
What is the minimum order quantity (MOQ) for custom architectural profiles? +
For standard stock extrusion profiles with custom dimensional sizing and glass configurations, our MOQ starts at just 30 to 50 square meters, making it ideal for boutique luxury villas or mixed-use developments. For entirely bespoke architectural die extrusions requiring dedicated custom tooling, the profile die opening fee is waived upon ordering a container volume of 300 square meters or more.
Can you coordinate direct delivery to job sites in Europe, the USA, and Australia (DDP terms)? +
Yes. While most commercial importers operate on FOB Foshan/Shenzhen or CIF destination port terms, our logistics network handles full DDP (Delivered Duty Paid) turnkey solutions. This includes international ocean freight, destination port customs clearance, tariff classification under HS Code 76101000, and flatbed transport directly to your designated warehouse or urban construction staging perimeter.