Direct Factory Catalog
High-Performance Aluminum Doors & Commercial Architectural Systems
Engineered to exceed strict international benchmarks for wind-load deflection, structural security, thermal conductivity, and acoustic attenuation in commercial environments.
Enterprise Manufacturing Scale
Guangdong Dejiyoupin (DERCHI): Engineered for Global Demands
Ranked among China's premier architectural window and door brands, backing North American and European corporate projects with direct industrial capacity, certified engineering, and automated production.
180,000m²
Smart Manufacturing Base
600+
Skilled Technicians & Engineers
100+
Global Patents & Testing Certs
25+
Years Production Legacy
Tier-1 Global Compliance
DERCHI systems are tested to rigorous international standards, including CE, ISO 9001, AS 2047 (N6 cyclone rating), and UL-certified fire containment parameters for multi-story buildings.
Turnkey OEM/ODM Engineering
From complex architectural elevations to shop schedules, our in-house engineering team provides complete 2D/3D CAD submittals, custom extrusion dies, and BIM modeling support at zero charge.
Automated Precision Tooling
Equipped with high-precision CNC multi-axis profile machining centers, robotic corner-crimping units, and automated double-glass sealing lines ensuring millimeter-level tolerances across 10,000+ unit batches.
Dedicated Project Management
English-fluent architectural sales consultants operating across US Eastern, Pacific, and European time zones. Direct coordination covering submittals, factory acceptance tests (FAT), and export crating.
Industry White Paper & Specification Guide
Engineering the Modern Commercial Interior: Trends & Material Analysis
A comprehensive technical brief for commercial interior architects, general contractors, and corporate facility procurement managers.
| Door System Configuration | Structural Profile Spec | Acoustic Rating (STC) | Thermal U-Factor (W/m²·K) | Primary Commercial Use-Case |
|---|---|---|---|---|
| Slim-Frame Glass Pivot Door | 6063-T6 (2.5mm wall), Concealed Floor Spring | STC 34 – 38 | 1.8 – 2.2 | Executive Boardrooms, Main Commercial Foyers |
| Thermally Broken Casement Door | Polyamide PA66 Barrier, 70mm Sash Depth | STC 38 – 44 | 1.2 – 1.6 | Exterior Terrace Entrances, High-Noise City Offices |
| Crittall-Style Acoustic Partition Door | Minimalist 38mm Sightline, Laminated Acoustic Unit | STC 36 – 42 | N/A (Interior Specified) | Private Meeting Pods, Open-Office Collaborative Zones |
| Heavy-Duty Architectural Sliding System | Stainless Steel Rail, Flush Recessed Threshold | STC 32 – 36 | 1.5 – 1.9 | Multi-Functional Conference Halls, Event Spaces |
1. The Evolution Toward Acoustic Isolation (STC 40+) in Hybrid Workspaces
The contemporary commercial office landscape has shifted definitively away from standard single-glazed barriers. With video conferencing and confidential collaborative workflows becoming standard practice, high-decibel acoustic dampening is now mandatory. Standard monolithic tempered glass offers a Sound Transmission Class (STC) of barely 28 to 30, which fails to mask human speech privacy.
Our OEM/ODM manufacturing facility integrates specialized asymmetric double glazing (such as 6mm + 12A + 8mm acoustic laminated PVB) paired with continuous multi-lip vulcanized EPDM compression gaskets. By decoupling sound waves across varied material densities and eliminating perimeter air leakage via precision drop-down acoustic drop seals, our systems achieve lab-validated STC ratings above 42 dB. For general contractors, this drastically reduces downstream tenant build-out disputes.
2. Access Control Integration & Hidden Hardware Aesthetics
Commercial developers no longer accept surface-mounted wiring conduit or clunky secondary magnetic locks. Modern class-A office assets require factory-integrated concealed electrified hinge channels, internal European multi-point mortise preps, and structural pivot boxes compatible with smart biometric card readers.
As a seasoned custom manufacturer, our 5-axis CNC machining bays prepare internal conduit pathways within aluminum profiles prior to surface powder coating or anodizing. Hardware preparations are certified for dormakaba, ASSA ABLOY, and Geze systems, allowing commercial fit-out teams to install hardware directly out of the crate without job-site grinding, cutting, or invalidating factory powder-coat warranties.
3. Lifecycle Sustainability, LEED v4.1 & Recycled Alloy Utilization
Corporate tenant sustainability mandates require strict carbon reporting for building components. Extruded aluminum office systems provide a decisive life-cycle advantage over timber or PVC alternatives due to infinite recyclability without mechanical degradation.
DERCHI sources primary billet compliant with low-carbon smelting criteria, employing eco-friendly electrostatic powder coats free of volatile organic compounds (VOCs) and heavy metals. Our high-performance thermal-break assemblies reduce commercial heating, ventilation, and air conditioning (HVAC) operating costs by maintaining localized zone temperatures, delivering direct credits toward LEED, BREEAM, and WELL building certifications.
Procurement Diligence
Frequently Asked Questions by Commercial Buyers & Estimators
Critical operational answers regarding shop submittals, testing compliance, structural wind load tolerances, and international logistics coordination.
How does DERCHI manage custom shop drawing approvals and engineering sign-offs? +
Upon receipt of your architectural drawings or door schedules, our dedicated engineering division drafts detailed 2D/3D CAD shop drawings within 48 to 72 hours. These submittals clearly detail profile wall thicknesses, glass build-ups, anchoring methods, threshold clearances, and hardware pre-machining templates. Production only commences once physical drawings or digital vector approvals are formally signed off by your project architect or general contractor.
Can you manufacture office doors conforming to regional building codes (IBC, ADA, AS 2047)? +
Yes. We routinely manufacture systems engineered to satisfy North American International Building Code (IBC) guidelines, ADA-compliant barrier-free low thresholds (≤ 1/2 inch with beveled edges), Australian AS 2047 structural requirements, and British CE/UKCA standards. Early disclosure of your project's local code dictates allows us to configure structural reinforce steel, tempered safety glazing markings, and emergency egress hardware accommodations during the extrusion and machining phase.
What is the factory lead time for custom OEM/ODM commercial orders? +
Standard OEM production runs for custom-sized aluminum office doors typically span 25 to 35 calendar days following final shop drawing confirmation and hardware schedule sign-off. Highly customized designs requiring dedicated extrusion die molds, specialized PVDF coatings, or unique smart security integrations may require 40 to 45 days. Expedited production lanes are available for critical commercial phase deliveries.
How are glass doors protected during overseas sea freight and rough site handling? +
All doors undergo rigorous export crating. Frame extrusions are covered in peel-away protective tape and wrapped in pearl cotton foam. The assembled door or knock-down kit is cushioned inside fully enclosed, fumigated solid plywood crates fitted with steel banding, integrated lifting skids for forklifts, and internal desiccants. Crates are engineered to withstand ocean transit moisture and multi-leg domestic logistics handling.
Can we specify our own architectural hardware brands (DORMA, Häfele, Schüco)? +
Absolutely. While we supply premium German-style commercial hardware as standard, our CNC milling centers can precisely machine cutouts, mortise pockets, and mounting holes for your client-specified hardware brands including dormakaba, Häfele, ASSA ABLOY, LCN, or Allegion. Alternatively, you can drop-ship project-specific hardware to our Foshan factory for precision dry-fitting prior to crating.
How do you verify batch quality and dimensional accuracy before container loading? +
Our ISO 9001 quality framework mandates a multi-tier Factory Acceptance Test (FAT). Prior to packaging, 100% of sashes and frames undergo frame squaring checks (±1.0mm diagonal tolerance), gasket adhesion inspections, coating thickness gauge tests, and test-hanging to confirm effortless pivot, slide, or swing operation. High-definition photographic and video verification logs are provided to overseas procurement managers prior to dispatch.
Initiate Your Commercial Office Door Specification
Collaborate directly with an experienced OEM/ODM factory team. Submit your architectural door schedule, CAD drawings, or custom design brief to receive an itemized factory-direct commercial proposal within 24 hours.