Security Fenestration
Get Catalog
Engineering Portfolio
Featured OEM Aluminium Windows & Architectural Doors
Engineered for extreme wind loads, sound insulation, and thermal efficiency. Fully customizable profiles, anodized finishes, multi-point lock integrations, and glazed combinations factory-tested to international fenestration standards.
Engineering Whitepaper
Technical Specification Analysis for High-Performance Fenestration
Procuring high-end custom OEM aluminium sliding systems demands rigorous verification of tensile strength, thermal barrier conduction, cyclic mechanical durability, and coastal atmospheric corrosion ratings.
Alloy Extrusion & Temper Standards
We utilize primary 6063-T5 and 6063-T6 architectural-grade aluminum billets, strictly controlling silicon-magnesium ratios. This eliminates wall thickness variations and delivers structural rigidity up to 220 MPa tensile yield strength, vital for multi-panel hurricane-rated sliding walls.
Polyamide Thermal Break Technology
Integrating PA66 GF25 (25% glass fiber reinforced polyamide) insulation strips prevents thermal bridging across frames. Our multi-cavity thermal profiles drop total U-factor values below 1.4 W/m²K, surpassing strict energy efficiency benchmarks for Oceania, North America, and Europe.
Corrosion-Resistant Surface Engineering
Salt-laden coastal environments trigger severe galvanic and pitting corrosion. Our electrostatic fluorocarbon (PVDF) 3-coat finishes and marine-grade AkzoNobel powder coatings endure 3,000+ hours of neutral salt spray testing, guaranteeing zero peeling or discoloration.
| Evaluation Parameter | DERCHI Factory Spec | Common Market Spec | Compliance Standards |
|---|---|---|---|
| Aluminium Profile Thickness | 2.0 mm – 3.2 mm Structural Wall | 1.2 mm – 1.4 mm Standard | AS 2047, GB/T 5237, AAMA 101 |
| Cyclonic Wind Resistance | N6 Ultimate Load (>4500 Pa) | N2 / N3 (1500 – 2000 Pa) | AS 4055 / AS 2047 cyclonic test |
| Glazing Specification | 5mm+12Ar+5mm Low-E / Bulletproof SG | Single or unsealed Double 4mm | AS/NZS 2208, EN 12150, IGCC |
| Roller & Track Cycle Life | 150,000 Smooth Operating Cycles | 20,000 – 30,000 Cycles | EN 13126-15, AAMA 906 |
| Air Infiltration Performance | < 0.15 L/s·m² (Airtight Category) | 0.50 – 1.0 L/s·m² | ASTM E283, AS 2047 clause 2.3.1 |
Market Intelligence
Future Sourcing & Technological Trends in Aluminium Systems
How commercial developers, window fabricators, and high-volume importers are adjusting procurement strategies to match next-generation green building regulations and architectural shifts.
1. Zero-Threshold & Concealed Drainage
The global demand for flush indoor-outdoor integration is pushing threshold engineering to its absolute limits. Modern procurement favors hidden drainage trenches with high-volume siphon capacity capable of handling torrential tropical downpours without barrier steps, maintaining full barrier-free accessibility.
2. Ultra-Narrow Sightlines with Extreme Loadings
Architects require glass-to-frame ratios exceeding 92%. The technological trend shifts towards high-modulus carbon-fiber composite stiffeners embedded within 18mm interlockers, enabling sliding panels over 4.5 meters in height to withstand severe positive and negative wind pressures.
3. Decarbonized Low-Carbon Aluminium
Green building certifications (LEED, Green Star, BREEAM) are enforcing strict limits on embodied carbon. B2B purchasing contracts now prioritize factories utilizing hydroelectric-smelted circular recycled billet stock, providing verifiable Environmental Product Declarations (EPD).
Factory Capabilities
Why Global Specifiers Depend On Guangdong Dejiyoupin (DERCHI)
Headquartered in Foshan, Guangdong, our intelligent 180,000 m² manufacturing campus integrates precision tool making, CNC profile machining, robotic powder coating, and full-scale mock-up pressure laboratories.
One-Stop Fenestration Manufacturing
Eliminate multiple sub-tier vendors. We manufacture full window schedules, thermal sliding doors, oversized pivot doors, bullet-resistant systems, and garage entries with consolidated sea container loading.
International Certification Portfolio
Every product line meets verified AS 2047, ISO 9001, CE, and UL fire ratings. Complete structural engineering reports and cyclic testing dossiers are furnished for rapid certifier sign-off.
In-House CAD & BIM Engineering
Before raw metal cuts begin, our technical drafting team generates complete shop drawings, connection detail sections, structural calculations, and installation guides customized to project rough openings.
Oceania & Global Timezone Support
Our dedicated English-speaking architectural project engineers work matched to AEST, NZST, and Pacific Island commercial schedules to guarantee zero downtime during specification and assembly review.
Procurement FAQ
Frequently Asked Questions for OEM Fenestration Sourcing
Clear, engineer-verified guidance addressing compliance, packaging integrity, lead times, and customization protocols for window and sliding door procurement.
Q1: How does DERCHI ensure compliance with Australian AS 2047 & NZS 4211?
Our aluminium window and sliding door assemblies undergo dynamic air infiltration, water penetration resistance under positive/negative pressure, and ultimate structural testing up to N6 ratings. Complete test certificates, glass compliance markers (AS/NZS 2208), and calculation sheets are packaged with all engineering deliverables.
Q2: What surface finishing methods are recommended for severe coastal environments?
For installations situated within 1 km of the shoreline, we mandate either 25-micron architectural anodization or a 3-coat PVDF (fluorocarbon) resin finish. Combined with 316 marine-grade stainless steel track rollers and locking plates, this prevents salt-spray blistering and structural oxidation.
Q3: Can the factory manufacture custom-extruded profiles and architectural dies?
Yes. As an OEM/ODM manufacturer, we develop bespoke profile extrusion tooling based on client DWG or STEP files. Die production, prototyping, sample anodizing, and lab sign-off are completed within 20 to 25 calendar days prior to full production runs.
Q4: How are fragile double-glazed units protected during FCL/LCL ocean transit?
All finished panels are vacuum-wrapped with protective peelable films, protected by heavy-density EVA edge cushions, and enclosed in fully fumigated, steel-banded plywood crates. Each crate features built-in forklift pockets and tilt-warning sensors to prevent transit vibration damage.
Q5: What hardware brands can be integrated into the sliding door locking systems?
We natively support top-tier multi-point locking gear from German SIEGENIA, HOPPE, GU, and ROTO, alongside premium domestic architectural systems. Motorized hidden drives and smart biometric integrations can also be pre-wired and factory-tested prior to dispatch.
Q6: What is the typical standard lead time from shop drawing sign-off to port loading?
Standard architectural batches are completed within 25 to 35 business days from final approved CAD shop drawings and glass sizing schedules. Expedited schedules are available for time-sensitive commercial projects with scheduled container space allocations.
Ready to Engineer Your Next Fenestration Project?
Send us your schedule of finishes, door schedules, or architectural rough opening plans. Our engineering department returns complete structural shop drawings and detailed factory pricing within 24 hours.
Get Catalog