Crittall Style Doors
Engineered Portfolio
High-Performance Sunroom & Architectural Enclosure Systems
Manufactured to rigorous international architectural standards, our structural glass and thermal-break aluminum solutions integrate seamless aesthetics with extreme meteorological resilience.
Acoustic & Thermal
Ultra Large View Aluminum Windows For Houses Heat Insulated Soundproof Micro Ventilation Window
Architectural Arch
EOKO CE Arch Top Sliding Door Black Aluminum Crittall 4 Panel Grid Kicker Panel Interior Sliding Door
Hurricane Rated
OUNA Aluminum Casement Window Tempered Double Glass Thermal Break Hurricane Impact Proof
Typhoon Protection
Powder Coated Tambour Door Roller Shutter Aluminium Typhoon Roller Shutter Door
Insulated Casement
Insulated Aluminum Double Glazed Casement Windows with Integrated Insect Screening
European Heritage
European Aluminum Doors Interior Aluminium Swing Glass Door Crittall Style Entrance French Doors
Interior Architectural
GELLJA Architectural Aluminum-Framed Frosted Glass Finished Doors for Villas and Hotels
25+
Years Engineering OEM
180,000m²
Mega Production Complex
600+
Skilled Craftspeople
100+
Global Patents & Certs
Procurement Intelligence
Future Procurement Trends in Architectural Sunroom Windows (2026–2030)
The global demand for custom OEM aluminum sunrooms, glass solariums, and conservatory enclosures has moved beyond simple aesthetic day-lighting additions. Contemporary global developers, commercial general contractors, and facade consultants now classify sunrooms as primary high-performance building envelope systems. Procurement decisions are increasingly governed by severe climate resilience mandates, stringent whole-envelope carbon accounting, and holistic envelope energy metrics (U-factors < 1.2 W/m²·K).
Polyamide Thermal Barrier Engineering
Multi-chambered Technoform® polyamide (PA66 GF25) thermal breaks eliminate localized thermal bridging in high solar exposure and extreme sub-zero regions, drastically cutting building HVAC loads.
Structural Cyclone & Impact Resilience
Integration of aerospace-grade 6063-T6 virgin aluminum alloy profiles with PVB/SentryGlas® structural interlayer laminated glazing, capable of meeting ASTM E1886/E1996 and AS 2047 N6 cyclonic impact codes.
Smart Motorization & Climate Sensing
Seamless transition to automated electric micro-ventilation transoms, concealed chain drives, integrated wind/rain sensors, and photovoltaic BIPV sunroom roofing panels controllable via central BMS systems.
| Performance Metric | Standard Residential Spec | OEM Custom Export Standard | Regulatory Testing Framework |
|---|---|---|---|
| Thermal Transmittance (U-Value) | 2.4 – 3.2 W/m²·K | ≤ 1.1 – 1.4 W/m²·K | EN ISO 10077-1 / NFRC 100 |
| Acoustic Insulation (Rw) | 28 – 32 dB | 42 – 48 dB (Acoustic PVB) | ISO 140-3 / ASTM E90 |
| Water Tightness Under Dynamic Pressure | Class 4A (150 Pa) | Class E1050 (≥ 1050 Pa) | BS EN 12208 / AS 2047 |
| Structural Wind Load Deflection | Class 3 (1200 Pa) | Class C5 (≥ 3000 Pa) | ASTM E330 / AS 4055 |
| Extrusion Alloy & Wall Thickness | 1.2 – 1.4 mm 6063-T5 | 2.0 – 3.0 mm Primary Structural | GB 5237 / Qualicoat Seaside |
Verified Manufacturing Authority
Why Global Tier-1 Contractors Partner with Guangdong Dejiyoupin (DERCHI)
Operating out of Foshan, the capital of advanced architectural aluminum manufacturing, we combine world-class extrusion, CNC tooling, and certified laboratory validation to eliminate construction risks.
One-Stop Architectural Systems
From sunroom structural rafters and thermally broken folding walls to heavy-duty cast aluminum security portals, our integrated catalog reduces container freight consolidation overhead and procurement complexity.
Full International Compliance
Supported by CE, ISO 9001, AS 2047 N6, FCC, and RoHS certifications. Full structural finite element analysis (FEA) and dynamic wind chamber performance certificates are delivered with each custom project order.
100% Bespoke OEM Customization
Our dedicated R&D engineering department renders millimeter-precise CAD shop drawings, BIM families, and 3D structural connection schematics matching your structural engineer's site requirements.
Global Export Engineering Support
Direct communication with fluent structural sales engineers aligned to North American, European, and Asia-Pacific time zones. Complete overseas installation shop drawings and crating protection guaranteed.
Engineering Support
Frequently Asked Questions for Project Procurement & OEM Sourcing
Essential guidance covering technical tolerances, surface finishes, international standards, and global shipping logistics.
What alloy specifications and thermal break techniques are utilized in your sunroom structures?
We exclusively process virgin 6063-T5 and structural 6063-T6 aluminum alloy profiles, strictly adhering to EN 755 and ASTM B221 specifications. For high-efficiency thermal performance, we utilize imported Technoform® polyamide PA66 GF25 insulation strips, assembled via knurled cavity rolling. This multi-chamber configuration prevents thermal conductivity, eliminates interior condensation risk, and withstands continuous ambient operating temperatures ranging from -40°C to +80°C.
How do you guarantee water tightness and condensation control in heavy monsoon or snow-load zones?
Our sunroom window framing and glass roof systems employ a rainscreen pressure-equalization design with hidden weep holes, internal condensation drainage troughs, and vulcanized co-extruded EPDM continuous sealing gaskets. Roof glazing incorporates stepped multi-tier sealing and integrated gutter systems engineered to discharge water volumes up to 150 liters/hr per square meter, certified against dynamic water intrusion up to 1050 Pa (Class E1050).
What options exist for exterior surface finishes in coastal or high-salinity marine environments?
For coastal installations exposed to ocean salt-spray, we offer Qualicoat Seaside Class II certified architectural powder coatings (such as AkzoNobel® Interpon D2525) and PPG Duranar® 70% PVDF fluorocarbon coatings capable of surpassing 4,000-hour neutral salt spray (ASTM B117) and C5-M extreme marine corrosion classifications without chalking, fading, or bubbling.
What documentation and shop drawings are provided prior to commercial production sign-off?
Every OEM procurement project receives a comprehensive engineering package prior to extrusion cutting. This includes AutoCAD architectural floor plans, elevation diagrams, 1:1 scale profile cross-section joinery details, structural glass load-deflection calculations, structural anchor positioning drawings, and 3D exploded assembly diagrams to facilitate seamless municipal permit applications and site coordination.
What are the lead times, packaging protections, and international delivery terms for FCL/LCL orders?
Standard OEM production spans 25 to 35 calendar days following drawing sign-off and deposit validation. For long-distance intermodal container shipping, all finished elements receive protective PE film, high-density foam corner protectors, vacuum-sealed hardware packaging, and heat-treated non-coniferous OSB wooden crates compliant with ISPM-15. Export trade terms include FOB, CIF, CFR, or DDP direct to your commercial project address.
Collaborate Directly with OEM Sunroom Glazing Specialists
Initiate direct communication with our senior facade engineering desk. Receive CAD feasibility assessments, accurate bill of materials (BOM) quotations, and structural advice for your upcoming development project.