Heavy-Duty Lift Sliding
Engineered Product Portfolio
Precision OEM Aluminum Framing & Internal Glazing Solutions
Manufactured using aerospace-grade T6063-T6 aluminum alloys, structural thermal barriers, and tempered safety glass systems, our catalog combines acoustic attenuation with contemporary minimalist interior lines.
Minimalist French Grid
EOKO CE French Style White Grid Aluminum Sliding Door Double Glazed 4 Panel
Acoustic & Wine Cellar
Eco-friendly Aluminum Alloy Panoramic Sliding Door Double Glazed Tempered Glass
Architectural Partition
Factory Customized White Aluminum Alloy Glass Door with Grid Strips Design
Multi-Point Locking Casement
LANGE French Doors Security Aluminum Casement Door Tempered Glass Grilles
Powder-Coated Precision
High Quality White Aluminum Alloy Garage Door Waterproof Powder Coated
Technical Whitepaper Insights
Engineering Trends Shaping Internal Aluminum Glazing Systems
The interior architecture space is shifting rapidly from conventional solid timber joinery toward ultra-slim, carbon-neutral, and high-performance aluminum framed partition systems. Discover the technical drivers behind this transition.
16mm Ultra-Narrow Sightlines
Architects are standardizing on micro-bevel minimalist profiles with face dimensions as slim as 16mm. By leveraging cold-drawn, high-tensile 6063-T6 aluminum alloys, our systems maintain structural deflection thresholds (under L/250) without compromising glass load capacity.
Acoustic Attenuation (STC 38–44 dB)
Modern commercial specifications demand soundproof zoning without visual obstruction. Our dual-glazed internal door profiles integrate double-lipped EPDM compression seals, polyamides, and laminated acoustic glass to achieve Sound Transmission Class (STC) ratings exceeding 40 dB.
Concealed Hardware Integration
The elimination of visible screw fixings, hinges, and tracks has transitioned from high-end bespoke projects to mandatory commercial standards. Our factory incorporates 3D-adjustable concealed pivot mechanisms and magnetic latching locks directly into the extrusion chambers.
| Performance Criterion | DERCHI OEM Industrial Standard | Conventional Market Standard | Procurement Advantage |
|---|---|---|---|
| Alloy Metallurgy | T6063-T6 High-Purity Virgin Billet (Wall thickness 1.8mm–3.0mm) | Recycled Blend Scrap (Wall thickness 1.0mm–1.2mm) | Zero warping, high torsional rigidity over 3000mm heights |
| Surface Treatment | Fluorocarbon (PVDF) / AkzoNobel Powder Coat >60μm | Standard Anodizing or Wet Spray <30μm | Resistance to salt spray, UV degradation, and chemical cleaning |
| Glazing Compliance | SGCC / CE Certified Tempered / PVB Acoustic Laminated Safety Glass | Standard Monolithic Annealed or Float Glass | Impact safe, high acoustic dampening, building code approved |
| Sealing Compound | Continuous EPDM Synthetic Gaskets with Vulcanized Corner Joints | PVC or Low-Grade TPE Strip Inserts | Zero shrinkage under temperature fluctuation; maintains draft seal |
Market Foresight & Sourcing
Future Global Procurement Trends for Aluminum Internal Portals
B2B procurement managers, contract specifiers, and distributors are evolving their sourcing protocols. Below are the key criteria driving international contract tenders for 2026–2030 projects.
Modular "Plug & Play" Sub-Frames
Pre-milled universal sub-frame systems allow rapid dry-installation onto finished gypsum walls or masonry openings, reducing on-site finishing costs by up to 45%.
Embodied Carbon Transparency
BREEAM and LEED v4 certified projects require Environmental Product Declarations (EPDs). Sourcing low-carbon primary aluminum smelted with renewable hydro energy is becoming a baseline requirement.
Smart Access & Access Control Integration
Commercial projects demand factory-prepped mortises compatible with biometric access control, hidden RFID readers, and silent magnetic automated drop-down thresholds.
Custom Dimensional Scalability
Standardized sizes are declining in favor of floor-to-ceiling doors exceeding 3200mm in height. Factories must possess vertical CNC machining centers capable of single-pass milling.
Enterprise Scale & Manufacturing Excellence
Guangdong Dejiyoupin Doors & Windows: Your Trusted OEM/ODM Partner
Headquartered in Foshan, Guangdong—China's global aluminum manufacturing capital—DERCHI operates fully digitized manufacturing operations certified to international compliance benchmarks.
25+
Years Manufacturing Experience
180,000
Sq.m Production Base
600+
Skilled Engineers & Staff
100+
International Patents & Certs
Industrial Capacity Built for High-Volume Architectural Supply
DERCHI provides integrated OEM and ODM engineering solutions spanning architectural internal sliding systems, casement doors, acoustic partition systems, heavy pivot doors, and custom commercial entrance solutions. With our full-cycle in-house testing labs, profile extrusion partners, and automated glass fabrication workshops, we guarantee precision down to the millimeter.
Our dedicated engineering unit supplies comprehensive CAD shop drawings, BIM families, structural deflection calculation models, and multi-currency DDP/FOB/CIF ocean logistics handling for projects worldwide.
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Procurement Intelligence
Frequently Asked Questions on OEM Internal Door Sourcing
Comprehensive answers regarding production capacity, technical compliance, packaging security, and custom prototyping for bulk contract procurement.
What are the minimum order quantities (MOQ) and production lead times for custom OEM internal door orders?
Our flexible OEM manufacturing schedule accommodates both commercial pilot samples and large-scale architectural projects. For custom profile runs and specific RAL finish powder coating, standard MOQ begins at 10 sets for standard profiles and 30 sets for completely bespoke extruded dies. Typical factory lead times range between 20 to 25 working days following shop drawing sign-off and deposit receipt.
Can your factory manufacture internal doors according to customized acoustic STC specifications?
Yes. We engineer acoustic doors tailored for executive boardrooms, healthcare suites, hospitality bedrooms, and luxury residences. By pairing our double-wall aluminum profiles with multi-chamber thermal breaks, auto-retractable acoustic floor seals, and 5mm+0.76PVB+5mm or 6mm+1.14PVB+6mm acoustic laminate glass, we systematically achieve certified sound insulation ratings between STC 36 and STC 44.
How does DERCHI guarantee structural anti-warp stability for doors exceeding 3000mm in height?
Floor-to-ceiling doors are subject to internal stress and handling deflection. DERCHI eliminates bow issues by deploying high-tensile 6063-T6 aluminum alloys with minimum wall thicknesses of 2.0mm to 3.0mm in critical load vectors. Furthermore, internal adjustable steel tensioner rods (straighteners) are integrated into the stile hollow chambers, allowing field alignment correction if temperature shifts alter structural tolerances.
What surface treatments and color options can be specified for aluminum interior frames?
We provide full surface finish customizability: AkzoNobel electrostatic powder coating across the complete RAL architectural index, fluorocarbon (PVDF) 3-coat finishes for maximum chemical durability, architectural anodizing (matte black, champagne, titanium silver, bronze) up to 25 microns, and vacuum-heat-transfer wood grain effects matching walnut, natural oak, or teak veneer schemes.
How are fragile glass and slimline aluminum frames packaged to avoid transit damage during sea freight?
Our multi-tier export packaging complies with rigid ISPM-15 standards. Every profile is pre-filmed with scratch-resistant surface tape; corners are shielded by heavy-gauge thermoformed composite edge guards; the entire unit is wrapped in multi-layer Pearl Cotton (EPE foam), and subsequently secured into fully enclosed fumigated plywood crates reinforced with internal structural steel bands to withstand rough port handling and dynamic container motions.