Explore our export-certified architectural systems manufactured to rigid AAMA, CSA, AS 2047, and EN 14351-1 benchmarks. Every profile is custom extruded using virgin 6063-T5/T6 billet alloy with multi-cavity thermal barrier integration.
Comparative technical data for architectural specifiers and commercial quantity surveyors evaluating profile wall thicknesses, thermal conductance, acoustic mitigation, and maximum wind pressure resistance.
| System Series | Alloy & Temper | Extrusion Wall | Thermal Barrier | U-Value (W/m²·K) | Acoustic (Rw) | Max Sash Weight | Test Compliance |
|---|---|---|---|---|---|---|---|
| Heavy-Duty Lift & Slide (150 Series) | 6063-T6 / 6060-T66 | 2.0 mm – 3.0 mm | 34mm PA66 GF25 Strip | 1.1 – 1.6 W/m²·K | Rw 42 dB | 450 kg / sash | AS 2047 N6, AAMA 101, CE |
| Slimline Minimalist Sliding (20mm Interlock) | 6063-T6 Structural | 1.8 mm – 2.5 mm | Concealed Multi-Cavity | 1.3 – 1.8 W/m²·K | Rw 38 dB | 350 kg / sash | EN 12207 Class 4, ASTM E283 |
| Thermal Break Casement & Tilt-Turn (75 Series) | 6063-T5 Architectural | 1.6 mm – 2.0 mm | 24mm Technoform Polyamide | 1.0 – 1.4 W/m²·K | Rw 44 dB | 160 kg / vent | NFRC Certified, CE EN 14351 |
| High-Traffic Commercial Storefront (100 Series) | 6063-T6 High Strength | 2.2 mm – 3.2 mm | Polyurethane Pour & Debridge | 1.8 – 2.2 W/m²·K | Rw 35 dB | 280 kg / panel | ASTM E330 (Design 4.5 kPa) |
| Bi-Fold Folding Multi-Panel Door (80 Series) | 6063-T6 Reinforced | 2.0 mm – 2.2 mm | Isobaric EPDM Quad-Seal | 1.4 – 1.7 W/m²·K | Rw 40 dB | 150 kg / leaf | AS 4420 Water 600Pa, CE |
Ensuring lifetime structural performance in extreme marine, desert, and alpine environments through precise alloy chemical composition, isobaric drainage engineering, and precision extrusion tolerances.
DERCHI enforces a zero-scrap policy on load-bearing mullions and sliding stiles. We utilize 100% primary aluminium billet extrusions complying with EN 755-9 and GB/T 5237 high-precision tolerances. This prevents micro-crystallization fractures and maintains tensile strength above 205 MPa under cyclonic wind forces, eliminating the frame deformation risks associated with remelted post-consumer scrap.
Export fenestration destined for coastal regions like Florida, Australia's Gold Coast, or Mediterranean ports requires stringent anti-corrosion protection. Our fully automated vertical powder-coating line operates with AkzoNobel Interpon D2525 and PPG fluoropolymer PVDF systems, offering 30-year resistance against chalking, salt spray degradation, and color shift exceeding 10,000 hours of ASTM B117 salt fog testing.
Water intrusion failure during storm fronts occurs when atmospheric pressure differences overpower gravity drainage. DERCHI sliding tracks incorporate a staggered dual-chamber isobaric decompression cavity. Differential pressure equalizes inside the extrusion chamber, diverting driving rain through concealed one-way silicone flap valves capable of withstanding 900 Pa static water pressure without reverse siphoning.
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) stands among the premier Top 10 door and window manufacturers in Asia. With over 25 years of specialized fenestration manufacturing, we eliminate intermediate trading commissions, granting global project principals direct factory pricing and technical engineering oversight.
Navigating strict regional building envelopes is the primary barrier for overseas architectural procurement. DERCHI pre-engineers profile geometries to comply with North American Title 24, IECC energy codes, and Florida Building Code (HVHZ) wind-borne debris parameters.
How macroeconomic pressures, decarbonization mandates, and smart building interfaces are reshaping the custom aluminium door and window supply chain for developers and global distributors.
Architects worldwide are prioritizing continuous floor-to-ceiling glass envelopes. The demand for visible interlock profiles below 20mm has grown by over 34% annually. Next-generation systems feature multi-wheel tandem carriages embedded entirely within recessed sub-sill frames, allowing panels up to 4000mm in height to slide smoothly into hidden drywall pockets for 100% barrier-free interior-exterior continuity.
Commercial luxury estates and healthcare facilities are abandoning traditional belt-driven motorized systems. The modern procurement standard favors linear brushless magnetic levitation (Maglev) sliding mechanisms. Maglev motors operate under 28 decibels, feature anti-pinch sensory reverse brakes, and interface seamlessly with BACnet, KNX, Control4, and Apple HomeKit building automation topologies.
Environmental Product Declarations (EPDs) have transitioned from optional marketing to strict bidding prerequisites across North America and Europe. Procuring authorities are demanding low-carbon aluminium extruded via renewable hydroelectricity. DERCHI provides verified Cradle-to-Gate lifecycle analyses, yielding profiles with less than 4.0 kg CO2e per kg of finished aluminium—well under the global standard benchmark of 11.5 kg.
Developers are deliberately moving away from fragmented sourcing models where frames, glass, hardware, and accessories originate from separated vendors. Discrepancies in silicone compatibility, thermal bridge calculations, and mismatching powder coat dye lots cause costly on-site disputes. DERCHI’s one-stop OEM capability manufactures frames, glazes IGUs in-house, and performs pre-assembly tests prior to shipping.
Universal accessibility (ADA in the USA, DDA in the UK/Australia) mandates maximum doorway thresholds of 1/2 inch (12.7mm) or zero floor transitions. Historic sliding doors with recessed tracks suffered severe track overflow during wind-driven rain. Modern OEM solutions use stainless steel drainage grates with sub-floor sump evacuation channels, preventing water ponding under high negative air pressure differentials.
Manual shop takeoffs are being replaced by direct Revit/ArchiCAD BIM file extraction. DERCHI’s design office links architect IFC models directly to profile cutting software. This seamless digital continuity reduces sample-to-production lead times from 6 weeks down to 14 days and eliminates human drawing interpretation errors on complex multi-angle corner configurations.
Comprehensive engineering, logistics, and quality assurance responses prepared by DERCHI’s international project managers to guide volume fenestration procurement.
Combining world-class German precision machinery, extensive supply chain vertical integration, and an experienced team of 600+ fenestration professionals.
Situated in the industrial heart of Foshan, Guangdong, our mega-scale production facility operates comprehensive automated processing lines for extrusion cutting, corner crimping, automated silicone injection, thermal-strut rolling, and glass unit assembly. This scale guarantees stable output, competitive batch cost structures, and unwavering delivery timelines.
Our fenestration assemblies endure rigorous cyclic testing within our in-house CNAS-accredited physical testing laboratory. Profile air infiltration, static and dynamic water resistance, cyclic wind loading, and forced-entry deterrence are verified under direct supervision of third-party international auditors (TÜV, Intertek, SGS) to secure continuous worldwide accreditation.
Export clients work with dedicated bilingual fenestration sales engineers fluent in North American and European construction conventions. We manage time-zone overlap, provide milestone video reporting during production, coordinate all bill of lading and export customs paperwork, and provide remote digital installation troubleshooting for your jobsite installation crew.