Architectural Collection
Precision-Engineered Crittall-Style Internal Systems
Explore our export-certified aluminum-framed acoustic and privacy glass door solutions. Custom manufactured to millimeter tolerances for world-class hotels, high-end commercial spaces, and residential estates.
Rustic Design Gray Tempered Glass Aluminum Framed French Swing Door
Customized Black Aluminum Crittall Style Sliding Door Industrial Partition
Modern Crittall Style Aluminum Sliding Door Double Glazed Interior Patio
European Aluminum Interior Framed Swing Glass Door Crittall French Series
European Standard Industrial Framed Swing Crittall Style Entrance French Door
Durable Retro Crittall Style Double Door with Double Glass Insulation
Modern Architectural Slim Frame Crittall Style Swing Glass French Doors
180,000㎡
State-of-the-Art Production Facility
25+ Years
Global Manufacturing & R&D Mastery
100+ Patents
Proprietary Profiles & Hardware IP
AS 2047 / CE
UL & ISO 9001 Structural Certifications
Engineering Authority
Why Architectural Specifiers Prefer Extruded Aluminum Over Traditional Hot-Rolled Steel
While authentic steel Crittall systems retain historical value, modern commercial and luxury residential developments demand higher precision, acoustic control, rust-immunity, and reduced dead-load weight.
Corrosion Immunity & Marine-Grade Finishes
Traditional mild steel is fundamentally prone to oxidation in coastal, bathroom, and high-humidity environments. Our aerospace-grade 6063-T6 aluminum alloys undergo multi-stage pre-treatments followed by Qualicoat Class 2 architectural powder coating or PVDF electrodeposition, guaranteeing zero rust and zero bubbling over a 30-year lifecycle.
Structural Weight Reduction & Hardware Life
Aluminum delivers equivalent structural moment of inertia at one-third the dead weight of solid steel. This drastic mass reduction eliminates hinge sagging, simplifies structural header lintel engineering, and allows smooth, child-safe operation even on oversized 3200mm high acoustic pivot doors and multi-panel telescopic sliding systems.
Acoustic Attenuation & Glazing Versatility
Unlike steel profiles constrained by manual welding limits, precision extrusion enables complex internal thermal breaks, integrated dual-chamber EPDM rubber co-extrusion seals, and multi-tier rebate designs. Our assemblies accommodate up to 28mm acoustic laminated or double-glazed insulated IGUs, achieving certified sound dampening up to Rw 38dB.
| Performance Criteria | Guangdong Dejiyoupin Aluminum Crittall | Traditional Welded Steel Systems | Standard Market Aluminum Doors |
|---|---|---|---|
| Base Material Alloy | Virgin 6063-T6 Precision Billet | Cold / Hot-Rolled Mild Carbon Steel | Recycled Scrapped Aluminum Mix |
| Sightline Stile Width | Ultra-Slim 20mm – 35mm Profile | 25mm – 45mm Heavy Sightline | 50mm – 80mm Bulky Commercial Stile |
| Corrosion Resistance | 100% Rust-Proof (C5 Marine-Grade Rated) | High Risk (Requires constant rust-inhibition) | Moderate (Basic standard powder coat) |
| Acoustic Performance | Rw 34dB – 38dB (EPDM Dual Gaskets) | Rw 24dB – 28dB (Single seal difficulty) | Rw 20dB – 25dB (Brush strips only) |
| Tolerance Precision | ±0.5mm CNC Machining | ±2.5mm Manual Weld Distortion | ±1.5mm Standard Punching |
| Weight on Sub-Frame | Lightweight (~18-24 kg/m²) | Extremely Heavy (~55-75 kg/m²) | Standard (~20-26 kg/m²) |
Future Procurement Dynamics
Emerging Trends Reshaping Global Glazing Procurement
Architects, luxury developers, and procurement executives across North America, the GCC, Europe, and Oceania are transforming their internal door specifications based on three core architectural movements.
1. "Broken-Plan" Spatial Architecture
The post-pandemic trend away from completely open-plan living towards "broken-plan" zones has made acoustic glass partitions a requirement. Interior designers utilize Crittall-style doors to delineate home offices, master suite wet areas, wine cellars, and show kitchens while preserving unhindered natural daylighting and visual volume.
2. Concealed Gravity & Hydraulic Pivot Systems
Standard surface-mounted butt hinges are being systematically replaced by 360-degree top and bottom concealed hydraulic pivot hinges. Modern project specs require self-closing mechanics, 90-degree hold-open functionality, soft-close dampeners, and hidden floor springs integrated directly within the bottom rail profile.
3. Fluted, Reeded & Switchable Smart Glazing
Procurement schedules increasingly call for custom glass infills beyond standard clear tempered float glass. The dominant specifications combine ultra-narrow black frames with Moru (reeded) glass, fluted acoustic laminated panels, smoked bronze tints, or PDLC electric privacy switchable smart glass for multi-purpose boardrooms and luxury villa master baths.
Factory Direct Capabilities
Why Tier-1 Builders Partner With Guangdong Dejiyoupin (DERCHI)
Ranked among China's Top 10 door and window manufacturers, our massive Foshan manufacturing infrastructure provides global real estate developers with zero-defect production guarantees, end-to-end engineering, and direct pricing.
180,000㎡ Modern Production Base
Equipped with computerized high-precision CNC cutting lines, multi-axis milling, automated glass washing lines, and in-house dust-free assembly lines employing over 600 skilled technicians.
Free CAD & BIM Engineering Support
Our dedicated bilingual structural engineering team reviews your architectural schedules to provide parametric CAD shop drawings, structural wind-load calculations, and 3D mockups within 24 hours.
Verified Global Compliance
Products are rigorously tested to Australian AS 2047 N6 standards, CE directives, ISO 9001 quality frameworks, and UL fire-rating testing protocols, guaranteeing seamless project sign-off.
Export-Grade Secure Crating
Engineered for long-distance ocean intermodal transport. Every door leaf is wrapped in protective pearl cotton, corner-guarded, and secured in fully fumigated ISPM-15 plywood crates.
Procurement Guidance
Frequently Asked Questions by Global Buyers & Importers
Direct technical answers addressing lead times, glazing safety compliance, packaging, and custom project manufacturing specifications.
What are true divided lites (TDL) versus simulated divided lites (SDL) in your Crittall doors?
We supply both configurations based on project specifications. True Divided Lites (TDL) utilize individual individual cut pieces of glass framed by actual structural aluminum muntin bars. Simulated Divided Lites (SDL) feature one monolithic pane of tempered safety glass with CNC-machined low-profile aluminum grid bars precision-bonded to both sides using structural 3M VHB glazing tape. SDL provides significantly higher structural integrity, superior water tightness for wet rooms, and eliminates thermal bridging and acoustic leak points.
What glass safety standards do your exported Crittall style doors comply with?
All glass units supplied by our factory conform to rigorous international safety standards, including ANSI Z97.1 and CPSC 16 CFR 1201 (United States), EN 12150 (European CE standard), and AS/NZS 2208 (Australia and New Zealand). Glazing options range from 6mm to 10mm toughened safety glass, 6.38mm to 12.76mm acoustic PVB/EVA laminated glass, and insulated double-glazed units with argon gas fills.
Can you manufacture oversized custom heights for hotel lobbies and penthouse fit-outs?
Yes. Our extrusion profiles are engineered with heavy wall thicknesses (up to 2.5mm on structural jambs) allowing us to build single leaf pivot and French doors up to 3,600mm (11.8 ft) in height and 1,800mm (5.9 ft) in width without frame flexing. We engineer integrated concealed steel tie-rods inside oversized leaves to ensure vertical plumbness and zero structural deflection over time.
What is your production lead time, and what packaging is used for international sea freight?
Standard bespoke manufacturing lead time is 25 to 35 days following customer approval of the final CAD shop drawings. For export, all products are packed in custom solid-plywood crates with zero raw timber, fully compliant with international ISPM-15 phytosanitary shipping regulations. High-density EVA foam and moisture-desiccant packs ensure zero scratch or oxidation damage during sea transit.
How do I obtain an accurate formal quotation and CAD shop drawings for my project?
Simply provide our engineering desk with your architectural elevation drawings, door schedule, required glass specifications, and total quantities. Our technical sales engineers will produce a line-item quotation and complimentary preliminary shop drawings within 24 hours.
Transform Your Commercial & Residential Spaces Today
Connect with Guangdong Dejiyoupin's specialized export engineers. Request custom CAD layouts, technical product catalogs, or complete door schedule estimations.
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