Engineered Fenestration
Featured Aluminium & Glass Architectural Systems
Explore our precision-extruded internal doors and high-performance exterior systems. Certified under rigorous international criteria including AS 2047, ISO 9001, CE, and North American energy frameworks.
Direct Factory Scale & Global Engineering Execution
DERCHI operates an advanced 180,000 m² automated production facility based in Foshan, Guangdong. Backed by over 25 years of engineering mastery, 600+ skilled personnel, and 100+ international patents and certifications, we control every critical phase of manufacturing—from high-grade 6063-T6 alloy extrusion, precision CNC machining, and automated anodizing to acoustic glazing and pre-shipment quality assurance.
✓ AS 2047 Certified
✓ ISO 9001 Audited
✓ CE & RoHS Compliant
✓ UL Fire-Rated Available
✓ N6 Wind Load Tested
180,000 m²
Manufacturing Infrastructure
25+
Years Industry Authority
600+
Technicians & Glazing Craftsmen
100+
Global Patents & Certifications
Technical Insight & Engineering
Architectural White Paper: Specifying Commercial-Grade Interior Glazed Systems
When specifying aluminium glass interior doors for upscale hospitality, high-density commercial offices, or luxury residential developments, engineering accuracy and material resilience dictate performance.
Alloy Engineering
Structural Alloys & Profile Tolerances
Interior doors demand superior structural rigidity with ultra-narrow sightlines. We exclusively utilize 6063-T6 and 6060-T6 primary billet alloys, avoiding recycled scrap to guarantee dimensional stability and superior tensile resilience.
- Wall thickness: 1.6mm - 3.0mm structural frames
- Zero warp over 3200mm floor-to-ceiling heights
- Concealed reinforcement channels for magnetic latches
Acoustic Control
Acoustic Attenuation (STC & Rw Ratings)
Modern commercial open-plan layouts mandate dedicated acoustic zoning. Our interior glazed doors incorporate co-extruded EPDM gaskets, magnetic perimeter seals, and specialized drop-down threshold seals.
- Sound Transmission Class: STC 32 to STC 42
- Laminated PVB/Acoustic interlayers from 8.38mm to 12.76mm
- Automatic bottom-drop acoustic drop-seals
Surface Metallurgy
Architectural Surface Treatments
Meeting high-traffic commercial touch resistance and rigorous environmental codes requires advanced surface treatment technology. Our in-house electro-deposition lines ensure uniform finish adherence.
- Fluorocarbon (PVDF) 3-coat architectural coating
- AkzoNobel & PPG powder coating with 20-year colorfastness
- 20μm Class I anodized finishes resistant to finger acids
Glazing Science
Safety, Fluted & Smart Glass Integration
Glazing options span far beyond standard clear glass. DERCHI integrates safety-tempered glass conforming strictly to SGCC (ANSI Z97.1), EN 12150, and AS/NZS 2208 criteria to guarantee occupant security.
- Low-iron ultra-clear tempered glass with anti-shatter film
- Moru / Fluted / Reeded decorative acoustic glass
- PDLC switchable smart privacy glass with concealed wiring
Hardware Integration
Concealed Pivot & Soft-Close Mechanisms
Operating forces must conform to ADA and Universal Access regulations. We partner directly with European hardware houses (DORMA, Hafele, HOPPE) and precision in-house CNC machined fittings.
- 3D adjustable concealed hinges load rated to 180kg
- Hydraulic bottom pivot dampeners with hold-open options
- Magnetic silent-latch locks preventing mechanical latch noise
Quality Assurance
Factory Acceptance Testing (FAT) Protocols
Each production batch undergoes 100% pre-assembly prior to export packing. Full structural squaring, corner alignment, and operating force verifications are carried out to eliminate on-site project delays.
- 100,000-cycle mechanical fatigue cycle testing
- Digital optical color-consistency verification (Delta E < 0.5)
- Free CAD shop drawings and BIM parametric models
Strategic Sourcing Analysis
Emerging Trends Shaping Global Fenestration Procurement
Direct industry intelligence for general contractors, developers, and wholesale distributors navigating supply chains across North America, Europe, Australia, and the Middle East.
Market Trend
Slim Sightline Minimalist Profiles
Bulky interior partition frames are being replaced by ultra-narrow visible profiles under 16mm. Architectural demand leans toward invisible floor tracks, pocket-sliding configurations, and concealed ceiling head-tracks that allow seamless room-to-room transitions without visible structural clutter.
Procurement Strategy
Consolidated Whole-House / Whole-Project Sourcing
International developers increasingly reject multi-vendor fragmentation. Sourcing high-performance exterior thermally-broken windows, main entry pivot doors, and internal glass partition doors from a single certified factory cuts logistics costs by up to 28% and guarantees unified hardware finishes.
Smart Fenestration
Access Control & Building Automation (BMS)
Internal office and high-end residential doors now interface directly with building automation protocols. Concealed wiring channels, biometric fingerprint locks, magnetic contact sensors, and motorized soft-closing tracks are becoming baseline tender specifications in tier-one developments.
The Manufacturer Advantage
Why Global Specifiers & Importers Choose DERCHI
Overcoming cross-border procurement challenges through transparent technical accountability, responsive project support, and certified manufacturing excellence.
Full-Spectrum OEM / ODM Customization
From custom extrusion dies to specialized anodized colors, custom silk-screen patterns, and unique architectural glass thicknesses, our engineering department translates architectural sketches into production-ready CAD shop drawings within 24 hours.
Tier-1 Certification & Compliance
Our door systems undergo certified structural, acoustic, and environmental testing. We hold documented compliance including AS 2047 (N6 wind rating), CE certification, ISO 9001 quality audits, and North American NFRC performance parameters, facilitating prompt building certifier approvals.
Export-Grade Biosecurity & Heavy Crating
International shipping requires zero-defect packaging. Every door leaf is wrapped in protective poly-film, edge-guarded with high-density EPE foam, and encased in ISPM-15 compliant fumigated plywood crates engineered for crane or forklift offloading at port destinations worldwide.
Procurement Knowledge Base
Frequently Asked Questions for Importers & Contractors
Detailed technical answers to common queries regarding lead times, custom finishes, acoustic parameters, and international delivery protocols.
What is your minimum order quantity (MOQ) for custom OEM/ODM internal door designs?
For standard profile systems with customized dimensions and glass selections, our MOQ starts from as low as 5 to 10 sets, facilitating boutique residential projects and sample mockups. For completely bespoke extrusion molds, we require an initial profile run of 500kg (or rebate the tooling cost once project volume exceeds 50 sets).
How do you ensure acoustic insulation for internal glazed doors?
Acoustic performance is achieved through three integrated features: high-grade laminated acoustic glass (such as 8.38mm or 10.76mm acoustic PVB interlayers), continuous Santoprene or co-extruded EPDM hollow perimeter seals, and concealed drop-down automatic mechanical threshold seals that engage tightly against the floor when closed, delivering up to STC 38–42 performance.
Can you supply certified CAD shop drawings and BIM models for project submittals?
Yes. Our in-house engineering department generates comprehensive, millimeter-accurate 2D CAD cross-sections, elevation schedules, and 3D Revit/BIM files for your project certifiers and architects. Production does not begin until you review and sign off on all dimensions, clearances, handle heights, and opening handedness.
What international standards do your glass and aluminium systems comply with?
Our aluminium systems conform to ISO 9001 and European CE (EN 14351) benchmarks. For Australasian markets, our products are independently tested to AS 2047 and AS 1288 (achieving N6 wind resistance ratings). For the North American market, our glass carries SGCC safety certification under ANSI Z97.1, with optional thermal modeling under NFRC protocols.
What are your typical production lead times and export shipping options?
Standard OEM production ranges from 25 to 35 calendar days after final CAD sign-off and deposit receipt. We support EXW, FOB (Shenzhen/Guangzhou), CIF, and DDP (Delivered Duty Paid) options. We routinely dispatch Full Container Loads (20GP/40HQ) and Less-than-Container Loads (LCL) securely to major ports across Australia, New Zealand, the US, Canada, Europe, and the Middle East.
How do you support on-site installation and post-delivery claims?
Each consignment is shipped with step-by-step printed installation guides, profile component markings that match your door schedule, and high-definition video walkthroughs. Our English-speaking technical engineers offer real-time remote video assistance aligned with local time zones. Hardware is protected by a comprehensive 5 to 10-year manufacturer warranty.
Ready to Engineer Your Next Glazing Project?
Send your door schedules, architectural elevations, or structural specifications directly to our engineering desk. Receive factory-direct pricing, certified CAD submittals, and material samples within 24 hours.