180,000m²
Intelligent Fab Base
1,000,000m²+
Annual Extrusion Capacity
100+
Patented Fenestration Tech
18,000+
Global Verified Projects
Engineered Systems
Featured Fenestration Profiles & Impact Assemblies
Precision-milled 6063-T6/T5 architectural aluminium profiles paired with multi-pane Low-E insulated glazing units. Each SKU is engineered for heavy cyclonic loads, sound dampening, and high thermal resistance.
Enterprise Authority
Why Institutional Builders Rely on Guangdong Dejiyoupin (DERCHI)
As a Top 10 Chinese door and window enterprise recognized by Xinhua News Agency, we provide end-to-end industrial manufacturing with uncompromising quality verification at every extrusion, miter, and glazing stage.
180,000 m² Mega Industrial Park
Located in Foshan, Guangdong, our high-precision facility features automated European CNC machining centres, robotic seal dispensers, and intelligent warehousing, ensuring on-schedule delivery across consecutive shipping containers.
30+ In-House R&D Engineers
We solve technical friction for structural engineers and architects, optimizing profile inertia moments, deflections under wind pressure, dynamic water tightness thresholds, and localized building code approvals.
Patented 4-Side 6-Point Locking
Our proprietary anti-theft multi-point locking system enhances structural frame rigidity while providing bank-grade forced-entry resistance for commercial entryways and luxury villa French assemblies.
Grand Slam Compliance Certification
Systems independently tested and fully certified against Australian AS 2047, AS 1288, North American NFRC/CSA, European CE, and ISO 9001 standards. Every shipment includes certified lab reports and traceability documents.
Market Intelligence
The 2026–2030 Global Fenestration Evolution & Procurement Playbook
Navigating structural thermal compliance (NCC 2022, NZBC H1, Title 24), supply chain resilience, and the industrial transition toward multi-cavity polyamide isolation systems.
Engineering Trend
Deep Polyamide Thermal Separation
Standard non-thermal aluminium is rapidly phasing out for exterior envelopes due to aggressive carbon neutrality policies. Today's commercial specifications demand PA66 GF25 multi-chamber thermal breaks measuring 24mm to 34mm in depth.
This design significantly lowers frame thermal conductivity (Uf ≤ 1.6 W/m²K), mitigates interior condensation risks in cold climates, and avoids thermal bridging in high-humidity coastal zones when coupled with warm-edge IGUs.
Aesthetics & Mechanics
Minimalist Profiles with Extreme Load Ratios
Modern architectural demands require sightlines under 25mm without compromising load-bearing limits. Achieving floor-to-ceiling glass assemblies spanning up to 3.8 meters requires internal multi-web reinforcement with 6063-T6 virgin alloys.
Industrial sliding track assemblies are incorporating concealed heavy-duty stainless steel quad-rollers capable of effortlessly cycling panel weights up to 500kg through over 150,000 duty rotations without rail fatigue.
Logistics & Reshoring Risk
Modular Pre-Glazed Factory Integration
On-site job site labor costs across North America, Australia, and Western Europe have risen over 38% since 2021. Tier-1 contractors are shifting away from knocked-down (KD) field assembly toward pre-glazed unitized systems.
DERCHI provides structural silicone bonding and multi-point perimeter calibration in-factory under strictly monitored temperature and dust controls, reducing job-site installation timelines by up to 60%.
B2B Specifier Matrix
Engineering Specification Guide: Traditional vs. Next-Gen OEM Doors
A comparative technical baseline for architectural hardware consultants, project estimators, and institutional real estate procurement directors:
| Performance Metric | Standard Commercial Fenestration | DERCHI OEM/ODM Architectural Class | Verified Test Methodology |
|---|---|---|---|
| Aluminium Alloy Purity | Recycled scrap blend (6063-T5 variable) | 100% Primary Ingot A00 (6063-T6 standard) | Spectrometric chemical analysis |
| Thermal Transmittance (U-Value) | U > 3.2 W/m²K (unbroken or 14mm strip) | U ≤ 1.4 - 1.8 W/m²K (24-34mm PA66 GF25) | ISO 10077-2 / NFRC 100 Heat Flow Box |
| Surface Coating Integrity | Standard electrostatic powder (40-60 μm) | Qualicoat Class 2 / PVDF 3-Coat Fluoropolymer (>80 μm) | ASTM B117 3,000hr Neutral Salt Spray |
| Water Penetration Resistance | 150 Pa - 300 Pa static pressure limit | Up to 700 Pa (Patented independent drain baffle) | AS 4420.5 / ASTM E331 dynamic testing |
| Cyclonic Wind Load Resistance | 1,500 Pa to 2,200 Pa design wind pressure | Up to 4,500 Pa serviceability / 6,000 Pa ultimate | AS 2047 / ASTM E1886 Missile Level D impact |
Procurement Clarity
Frequently Asked Questions for Sourcing & Export
Key considerations for container logistics, structural testing certifications, customs clearance documentation, and localized code compliance.
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How do you guarantee compliance with regional building standards (AS 2047, NZBC H1, NCC 2022, NFRC)?
Every export line is engineered around destination-specific structural regulations. For Oceania, we supply complete AS 2047 and AS 1288 certified NATA-recognized laboratory test packs covering air infiltration, water penetration (up to 700 Pa), and structural deflection. For the US, complete NFRC thermal metrics and Florida Hurricane Product Approvals are available with authenticated engineering shop drawings.
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What is the standard production lead time and maritime transit cycle for custom OEM orders?
Upon final sign-off of CAD/Revit engineering shop drawings and glass schedules, standard fabrication takes 25 to 35 business days depending on custom extrusion profiles and anodizing/PVDF finishes. Sea freight transit from Nansha or Yantian ports averages 14–18 days to Sydney/Melbourne, 16–22 days to Auckland, 18–25 days to West Coast USA, and 28–35 days to European main ports.
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How are fragile oversized glazed units protected against ocean humidity and freight handling damage?
We utilize full export-grade seaworthy packaging. Every profile is protected with self-adhesive peelable PE protective film and corner buffer wraps. Entire units are loaded on custom-engineered steel-frame A-racks or reinforced non-fumigation plywood crates. Anti-desiccant moisture-absorbing packs are sealed inside shrink wrap to prevent surface condensation damage across tropical sea lanes.
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Can you manufacture completely bespoke profile dies and extrusions for proprietary developer projects?
Yes. Our in-house tooling division mills custom extrusion dies within 12 to 16 calendar days based on client DWG files. We provide 3D-printed rapid physical prototypes and first-run alloy extrusion test samples for physical stress evaluation and anodizing tone matching before initiating full serial factory runs.
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What hardware systems and finishes are available for harsh coastal marine environments?
To combat marine salt corrosion, we partner with world-renowned hardware manufacturers such as Roto, Siegenia, and Hoppe, as well as proprietary 316-grade marine stainless steel friction stays and rollers. Surface profiles feature certified AkzoNobel or PPG fluoropolymer PVDF coatings that withstand over 3,000 hours of continuous salt spray without pitting.
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What is the minimum order quantity (MOQ) and sample verification workflow for initial evaluation?
We support project-based developers and distributor partners without rigid minimums for containerized builds. For customized OEM samples, our prototyping cell can prepare fully functional scale window or door corner mockups or full-sized architectural test units within 10 to 15 days to assist with client-side showroom review or structural lab inspections.
Connect Directly with Our Fenestration Engineering Group
Send your architectural elevation drawings, door schedules, or tender documents. Our engineering desk will deliver an itemized structural analysis, thermal optimization plan, and DDP/FOB quotation within 24 hours.