Sliding Door & Window
Export Portfolio
Precision Glazed Internal & Architectural Door Systems
Engineered for luxury hospitality, commercial workspaces, and modern residential developments. Each assembly features 6063-T6 aerospace-grade aluminium extrusions, precision CNC mitered joints, and certified safety tempered glazing.
Narrow Stile Hinged
Modern French Design Narrow Frame Aluminum Glass Vertical Hinged Door For Interior Spaces
Heavy-Duty Panoramic
Heavy Duty Customizable Villa Apartment Panoramic Insulated Tempered Glass Sliding System
Continuous Hinge Commercial
Custom Design Commercial Tempered Glass Continuous Hinges Aluminium Alloy Door System
Double Glazed Sliding
Aluminium Sliding Doors for Villa Double Glazed Soundproof Partition & Patio Modern Systems
Magnetic Track System
Modern Style AC100 Aluminium Alloy Magnetic Levitation Sliding Window & Glazed Divider
Thermal & Acoustic Break
Hot Sale French Design Double Tempered Glass Thermal Break Aluminium Partition System
Upper Hung Acoustic
Airtight Sealing Soundproof Weatherstrip Glazed Upper Hung Internal Partition & Transom
180,000㎡
Smart Manufacturing Base
25+ Yrs
Engineering Heritage
600+
Skilled Master Technicians
100+
Patents & Global Standards
Technical Whitepaper
Engineering Principles of High-Performance Aluminium Internal Doors
In high-density commercial spaces and luxury residential interiors, internal doors are no longer secondary dividers. They are primary architectural components responsible for acoustic zoning, daylight transmission, smoke migration prevention, and tactile luxury.
Aerospace-Grade 6063-T6 Extruded Metallurgy
Unlike standard commercial extrusions that utilize recycled scrap alloys, DERCHI utilizes primary ingot 6063-T6 aluminium alloy. This composition delivers an ultimate tensile strength exceeding 205 MPa and a yield strength exceeding 170 MPa. This structural rigidity allows our internal door frames to achieve ultra-slim sightlines (as thin as 16mm stile widths) while effortlessly supporting oversized glass lites weighing up to 180kg without frame deflection or latch misalignment.
Our anodizing and electrostatic powder coating operations adhere to Qualicoat Class 2 specifications, ensuring 35-micron coating uniformity that eliminates micro-cracking, chemical corrosion from cleaning agents, and high-frequency friction peeling on commercial touchpoints.
Download Alloy Testing Report
Acoustic Attenuation & Perimeter Compression Sealing
Open-concept office layouts and multi-generational residential layouts require strict STC (Sound Transmission Class) ratings between functional zones. Conventional timber doors typically fail at STC 22–26 due to hollow core resonance and under-door air gaps.
DERCHI aluminium glass internal doors employ laminated acoustic PVB/SGP interlayers coupled with dual-durometer EPDM co-extruded gaskets and drop-down automated mechanical drop seals. When the door engages the frame, the concealed mechanical plunger drops an airtight neoprene gasket against the finished flooring, blocking sound bridging and achieving laboratory-certified acoustic containment up to STC 42 (Rw 40 dB).
Get Acoustic Certification Portfolio| Performance Parameter | Standard Timber Internal Door | Generic Steel Glazed Door | DERCHI OEM 6063-T6 Glazed System | Engineering Benefit |
|---|---|---|---|---|
| Visible Stile Width | 85 mm – 110 mm | 45 mm – 60 mm | 16 mm – 35 mm Ultra-Slim | Maximum natural daylighting (VLT > 88%) |
| Acoustic Rating (STC) | STC 20 – 24 | STC 28 – 32 | STC 36 – 42 (Acoustic PVB) | Speech Privacy Certified |
| Dimensional Stability | Swells & warps with humidity > 65% | Corrosion at welded seams | Zero Expansion (±0.05mm tolerance) | Zero maintenance, perfect hinge alignment |
| Lifecycle Durability | 50,000 cycles before sagging | 100,000 cycles | 300,000+ Cycles (EN 1191) | Suitable for extreme commercial traffic |
| Recyclability & LEED | Low (glues & synthetic veneers) | Moderate (high carbon smelting) | 100% Recyclable Aluminium Core | Contributes to LEED v4 & BREEAM Credits |
Market Intelligence
Future Procurement Trends for Aluminium Glass Internal Doors (2025–2030)
Global procurement metrics from Tier-1 general contractors, hotel asset managers, and architectural design firms indicate four seismic shifts in interior glazed fenestration procurement.
1. Monolithic Slim Profile Integration
Developers are eliminating wide wooden jambs in favor of fully concealed "pocket" sub-frames and minimalist 16mm edge profiles. Flush-to-wall details and floor-to-ceiling heights (up to 3,500mm single leaf) dominate luxury residential and premium commercial projects.
- Concealed 3D adjustable pivot hinges
- Integrated magnetic latching strikes
- Zero visible threshold systems
2. Switchable Smart Glass & Optical Privacy
Procurement departments are replacing mechanical blinds and privacy curtains with integrated PDLC (Polymer Dispersed Liquid Crystal) switchable electrochromic glass. Internal door systems now incorporate internal wireless power transfers through the hinge assembly.
- Instantaneous opacity transition (< 20ms)
- Building automation system (BMS) compatibility
- Fluted, reeded & tinted interlayer aesthetics
3. Magnetic Levitation & Soft-Damped Sliding Tracks
Traditional rollers with metal ball bearings are yielding to maglev friction-free suspension and pneumatic dual-directional soft-close dampers. This completely eradicates rolling noise, vibration wear, and roller wheel flattening over decades of usage.
- Acoustic rolling signature < 28 dB
- Effortless push resistance (< 5N force)
- Anti-derailment mechanical safety locks
Manufacturing Capabilities
Why Tier-1 Contractors and Global Importers Partner with DERCHI
Ranked among China's Top 10 premium architectural fenestration brands, Guangdong Dejiyoupin Doors and Windows Co., Ltd. delivers institutional-grade turnkey OEM/ODM manufacturing backed by 25+ years of specialized engineering.
Fully In-House Extrusion & Powder Coating
From raw aluminium billeting to 6-axis precision CNC machining, we eliminate subcontractor markups, ensure exact batch-to-batch color consistency, and guarantee 15-day rapid prototyping.
Free CAD & BIM Engineering Support
Our dedicated engineering department provides complimentary shop drawings, static wind load calculations, 3D section details, and BIM models within 24 hours of receiving your architectural door schedule.
Rigorous Multi-Stage QA Protocols
Every internal door unit undergoes dry-fit factory pre-assembly, laser squareness verification (±0.5mm), coating adhesion cross-hatch testing, and complete cycle stress testing prior to packaging.
Heavy-Duty Ocean Export Crating
Doors are sealed in vapor-barrier film, protected by high-density polyethylene edge bumpers, and crated in fully enclosed fumigated plywood cases designed for zero maritime moisture or transit shock damage.
Purchasing Guide & FAQ
Frequently Asked Questions on OEM/ODM Aluminium Glass Internal Doors
Authoritative technical answers to common questions raised by architects, facade consultants, real estate developers, and international procurement managers.
What alloy grade and temper do you specify for internal aluminium door frames?
We exclusively utilize 6063-T6 or 6061-T6 architectural-grade extruded aluminium alloy. Unlike cheaper secondary remelt profiles, our extrusions possess a silicon and magnesium balance that provides superior tensile yield strength (> 170 MPa), razor-sharp corner milling without fracturing, and a flawless substrate for 35-micron architectural powder coating or 20-micron chemical anodizing.
How does your OEM/ODM customization process accommodate custom wall thicknesses?
Our modular telescopic sub-frame system adapts seamlessly to drywall or masonry thicknesses ranging from 75mm to over 280mm without visible shims or on-site cutting. Simply provide the finished wall schedule, and our engineering team will fabricate adjustable wrap-around architrave casings that reduce jobsite installation times by over 40%.
What glass specifications are available for acoustic and safety requirements?
We offer SGCC (ANSI Z97.1) and CE EN 12150 certified tempered monolithic glass (6mm, 8mm, 10mm, 12mm), as well as laminated safety glass with 0.76mm or 1.52mm acoustic PVB or SGP structural interlayers. Finishes include ultra-clear low-iron glass, acid-etched frosted, fluted/moru/reeded patterns, bronze/grey tints, and integrated PDLC switchable privacy glass.
Can DERCHI replicate European luxury door hardware or integrate third-party access control?
Yes. Our internal CNC machining centers are pre-calibrated to route mortise pockets and cutouts for top European hardware brands including Simonswerk Tectus concealed hinges, Dormakaba closer systems, Bonaiti magnetic locks, and Hoppe handles. We also supply complete proprietary concealed pivot systems with integrated 90-degree hold-open functions and electric strikes for RFID/smart-home access control.
What is your typical production lead time and minimum order quantity (MOQ)?
For standard commercial profiles and finishes (such as Matte Black, Architectural Bronze, and Natural Anodized), our standard production lead time is 20 to 25 calendar days following CAD shop drawing approval. For custom extrusion dies or unique custom RAL powder formulations, tooling requires 10 to 12 days. Our flexible OEM arrangement allows MOQs as low as 10 units for bespoke villa projects, scaling seamlessly to multi-thousand-unit hospitality fit-outs.
How do you ensure zero damage during international ocean and overland freight?
Every door leaf and sub-jamb is individually wrapped in anti-scratch PE protective film, sealed in desiccated moisture-barrier sheeting, edge-protected with thick corrugated corner guards, and nestled into custom shock-absorbing timber or steel-reinforced export crates. Every crate is engineered with bottom forklift forklift-slots and top lifting hooks, guaranteeing zero transit damage across transoceanic container handling.
Accelerate Your Commercial or Residential Fenestration Project
Send our senior engineering team your floorplans, door schedules, or concept sketches. We deliver comprehensive CAD shop drawings, acoustic calculation models, and factory-direct wholesale pricing within 24 business hours.
Get Catalog