Flagship Architectural Door & Window Systems
Engineered for commercial, luxury residential, and high-rise applications. Certified to international standards including CE, ISO 9001, AS 2047, and UL fire safety ratings.
Enterprise Strength: Foshan's Premier Fenestration Manufacturing Hub
Operating under Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI), our facility integrates end-to-end extrusions, thermal-break assembly, double-glazing production, and strict international quality testing.
Massive Production Footprint
Spanning over 180,000 square meters in Foshan, Guangdong—China's global capital for architectural aluminum—our state-of-the-art industrial park houses automated CNC extrusion lines, dust-free double-glazing lines, and high-capacity powder coating facilities capable of processing over 100,000 sets annually.
Global Certification & QA Compliance
Every batch of aluminum double glazed doors is engineered to withstand extreme structural loads and weather anomalies. Fully certified to CE, ISO 9001, AS 2047, NFRC, and UL Fire Safety standards, providing commercial developers with verified performance documentation.
Precision Engineering & Custom CAD
Backed by 600+ employees and an in-house R&D division holding over 30 technology patents, we provide bespoke CAD shop drawings, structural wind load analysis, thermal modeling, and custom Vastu/architectural spatial alignments for global projects.
Technological Evolution of Aluminium Double Glazed Doors
Understanding thermal mechanics, alloy metallurgy, and acoustic attenuation in high-performance building envelopes.
The modern architectural landscape demands fenestration solutions that seamlessly bridge the gap between structural transparency and energy efficiency. As extreme climate conditions become more frequent and energy codes tighten globally, traditional single-pane aluminum systems have given way to advanced Aluminium Double Glazed Doors featuring multi-chamber thermal breaks and precision insulated glass units (IGUs).
1. Alloy Metallurgy: The Structural Foundation (6063-T5 Profile)
At the core of every premium double glazed door is the structural aluminum extrusion. We exclusively utilize primary 6063-T5 grade aluminum alloy, extruded to profile thicknesses ranging from 1.4mm to 3.0mm depending on wind load requirements. Unlike secondary recycled aluminum scrap, 6063-T5 delivers high tensile strength, exceptional surface finish capabilities for powder coating or anodizing, and long-term resistance to structural deflection under heavy gust pressures (up to 5000 Pa).
2. Thermal Break Engineering: PA66 GF25 Polyamide Strips
Aluminum is naturally a highly conductive material (thermal conductivity ~200 W/m·K). To prevent heat transfer between external ambient air and internal conditioned space, our structural profiles incorporate non-conductive PA66 GF25 (25% Glass Fiber Reinforced Polyamide) thermal barrier strips. This structural break reduces the overall frame U-value down to 1.6 - 2.2 W/m²K, significantly lowering HAVC energy consumption in both hot monsoon/coastal zones and freezing winter climates.
| System Type | Frame Profile | Glass Configuration | Thermal U-Value (W/m²K) | Acoustic Rating (STC) |
|---|---|---|---|---|
| Non-Thermal Break Door | 6063-T5 (1.4mm) | 5mm + 6A + 5mm Monolithic | 4.8 - 5.5 | 28 - 30 dB |
| Standard Double Glazed Thermal Break | 6063-T5 (2.0mm) + PA66 | 5mm Low-E + 12A + 5mm Tempered | 2.0 - 2.4 | 35 - 38 dB |
| Ultra-Performance Acoustic Double Glazed | 6063-T5 Heavy Profile + PA66 | 6mm Low-E + 16Ar + 6mm Laminated | 1.4 - 1.8 | 40 - 45 dB |
3. Insulated Glass Unit (IGU) & Coating Science
The glass component accounts for over 80% of a door system's surface area. Our double glazing process employs double-sealed units featuring primary butyl sealant and secondary structural silicone. Configurations include:
- Soft-Coat Low-E Glass: Reflects far-infrared solar radiation while admitting natural visible light, keeping interiors cool by controlling Solar Heat Gain Coefficient (SHGC).
- Inert Argon Gas Filling: Replacing atmospheric air with 90%+ pure Argon gas inside the 12A/16A cavity reduces conductive and convective heat transfer inside the pane.
- Asymmetric Laminated Double Glazing: Combining varying pane thicknesses (e.g., 6mm + 12A + 5mm+0.76PVB+5mm) disrupts sound wave resonance, suppressing sound frequencies from heavy urban traffic and aircraft noise.
Future Procurement Trends: Fenestration Industry Outlook
Strategic insights for B2B buyers, wholesalers, real estate developers, and architectural specifiers sourcing from China.
1. Ultra-Slim Sightlines & Panoramic Pivots
Architectural preferences have shifted toward minimal frame profiles (interlock width under 20mm) that maximize glass ratios. Wholesale buyers are increasingly requesting large-format heavy-duty pivot doors capable of carrying panel weights up to 500kg while maintaining effortless push-pull kinetic balance.
2. Smart Home & Automation Linkage
Modern commercial and luxury residential projects integrate smart access control directly into aluminium door hardware. Future procurement standardizes motorized automatic sliding systems, concealed fingerprint sensors, emergency panic egress linkage, and electrochromic smart glass integration.
3. Direct Factory Sourcing & VR Audits
Importers are bypassing trading intermediaries to work directly with audited manufacturers in Foshan. Through 360-degree interactive VR factory tours, instant CAD engineering validation, and transparent FOB/CIF pricing, global developers compress lead times by up to 30%.
Frequently Asked Questions (B2B Sourcing & Technical FAQ)
Addressing key technical, logistical, and commercial inquiries from international importers and project managers.
Accelerate Your Project Procurement Today
Partner directly with Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI). Contact our senior sales engineering team for technical spec sheets, instant factory-direct quotations, and free CAD drawings.
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