Product Showcase
Engineered Architectural Solutions for Modern Workspaces
Explore our precision-engineered, ISO-compliant aluminium doors and windows. Optimized for commercial headquarters, office subdivisions, executive suites, and corporate developments.
Exterior Conceal Stacking Hidden Pocket Sliding Doors
Thermal Break Aluminum Metal Door with Insulated Safety Glazing
Heavy Duty Commercial Aluminum Alloy Multi-Leaf Folding Glass Door
NFRC Custom High-Acoustic Double Glazed Aluminum Casement System
Modern High-Load Thermal Break Foldable Accordion Office Partition Door
Florida Impact-Approved Heavy-Duty Sliding Structural Glass Entry System
ISO Certified Architectural Casement & French Office Entry Doors
180,000m²
Production Infrastructure
600+
Certified Technicians
25+
Years Industry Expertise
100+
Patents & Certifications
OEM & ODM Manufacturing Base
A World-Class Manufacturing Partner for Commercial Developers
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) ranks among the premier architectural door manufacturers in Foshan, China. We combine structural metallurgy, acoustic engineering, and robotic fabrication to deliver tailored OEM aluminium office door solutions that satisfy strict building codes worldwide.
6063-T6 Aerospace-Grade Extrusions
Our office frames utilize high-tensile 6063-T6 virgin aluminium alloys with standardized wall thicknesses ranging from 2.0mm to 3.5mm. This guarantees optimal torsional resistance, zero sag across oversized spans, and reliable cycle life under high-frequency corporate foot traffic.
Stringent European & US Compliance
Every commercial extrusion system is engineered to pass EN 14351-1 CE marking, ISO 9001 quality audits, AS 2047 cyclonic pressure testing, and Florida Building Code (FBC) impact approvals, providing architects with fully traceable QA/QC documentation.
Tailored Hardware Integration
Complete OEM compatibility with world-renowned architectural hardware systems including Dormakaba, Geze, Hafele, and Schüco fittings. We factory-mill precision pockets for electric strikes, concealed closers, magnetic mag-locks, and smart access badge readers.
Industry Whitepaper & Technical Insights
The Evolution of Commercial Aluminium Office Entrances
From basic spatial division to high-performance environmental conditioning. Discover how shifting corporate safety standards, smart facility automation, and carbon reduction mandates are transforming door specification parameters.
1. High STC Acoustic Isolation
Modern open-plan offices face critical acoustic privacy challenges in executive suites and conference hubs. Next-generation aluminium office doors integrate heavy-duty EPDM multi-cavity perimeter seals, automatic drop-down mechanical threshold gaskets, and laminated acoustic PVB/EVA interlayers. This achieves real-world Sound Transmission Class (STC) ratings above 38dB to 44dB, preventing speech crossover.
2. Ultra-Narrow Sightline Minimalism
Contemporary architectural trends prioritize uninterrupted sightlines and expansive natural illumination. Structural engineering advancements in cold-rolled alloy profiles now enable ultra-narrow visible stiles of just 25mm to 35mm. These slender profiles support heavy laminated glass panels up to 3.5 meters high without structural deflection or binding.
3. IoT & Smart Building Integration
Office access control has transitioned entirely away from mechanical key cylinders. Modern corporate specifiers require pre-machined internal wiring chases for low-voltage PoE (Power over Ethernet), concealed magnetic status sensors, biometric touchpads, and fail-safe electromagnetic shear locks integrated seamlessly during factory profile extrusion.
Engineering Specification Matrix: Standard vs. DERCHI OEM Commercial Systems
| Performance Parameter | Commercial Grade (DERCHI Heavy OEM) | Standard Market Office Doors | Applicable Global Standard |
|---|---|---|---|
| Aluminium Alloy / Temper | Primary 6063-T6 / 6061-T6 High-Tensile | Recycled Aluminium Alloy (Variable T5) | ASTM B221 / EN 755-2 |
| Structural Profile Thickness | 2.0mm – 3.5mm Reinforced Extrusions | 1.2mm – 1.4mm Lightweight Framing | GB 5237 / BS 8118 |
| Acoustic Rating (STC / Rw) | Rw 38dB – 44dB (With Drop Down Seals) | Rw 25dB – 28dB (Standard Glazing) | ISO 10140 / ASTM E90 |
| Surface Treatment Resilience | Qualicoat Class 2 / PVDF 3-Coat / 25μm Anodized | Standard Decorative Powder Coating (60μm) | AAMA 2605 / EN 12206 |
| Mechanical Operational Cycles | Tested to 500,000 – 1,000,000 Cycles | 50,000 – 100,000 Cycles | EN 12400 / ANSI A156.1 |
| Access Control Compatibility | Internal Concealed Raceways, Smart Lock Pre-Milled | Surface-Mounted Field Wiring Required | UL 294 / CE Access Norms |
Strategic Procurement Analysis
Future Procurement Trends for Office Fenestration
How global corporate developers, general contractors, and tier-1 interior fit-out firms are de-risking supply chains and optimizing Life Cycle Costing (LCC) for office partitions.
Pre-Engineered Prefabricated Kits
With escalating on-site commercial labor costs in North America, Western Europe, and Australia, developers are abandoning raw field-cut extrusions in favor of 100% factory pre-machined, modular, click-together frame kits that cut installation hours by 60%.
Circular Economy & Low Carbon
ESG building ratings (LEED, BREEAM, WELL) now mandate verified Environmental Product Declarations (EPDs). Specifiers favor suppliers utilizing hydroelectric-smelted green aluminium billet with higher post-consumer recycled content and easily disassembled demountable frames.
Direct-From-Factory Sourcing
General contractors are increasingly bypassing multi-layer regional broker markups, forming direct relationships with large-scale OEM factories equipped with comprehensive English-speaking technical sales teams and in-house CAD drafting departments.
BIM Level 2 Lifecycle Models
Procurement requirements now mandate digital twins. DERCHI supports modern project delivery by providing exact Revit families and IFC files populated with thermal performance, acoustic attributes, and replacement hardware cycles.
Architect & Buyer Advisory
Frequently Asked Questions on OEM Office Doors
Answers to common structural, acoustic, logistical, and customization questions asked by international project teams.
What are the key structural advantages of 6063-T6 aluminium over steel or wood in office partition systems? +
6063-T6 architectural aluminium offers an exceptional strength-to-weight ratio, ensuring that oversized doors (up to 3.5m tall) remain light enough for safe manual operation while resisting twisting, bowing, and thermal expansion. Unlike timber doors, aluminium is completely unaffected by seasonal humidity fluctuations, eliminating floor dragging, latch misalignment, and joint swelling. Compared to raw mild steel, aluminium exhibits superior natural corrosion resistance, accepts high-precision tight-tolerance micro-extrusions (such as snap-in acoustic rubber channels), and can be finished in durable anodized or PVDF coatings that withstand daily commercial traffic and cleaning chemicals.
How does your factory engineer aluminium office doors to meet STC 40+ acoustic requirements? +
Acoustic isolation requires a multi-faceted approach. First, our doors utilize multi-chambered heavy-wall hollow profiles filled with dense sound-dampening rockwool or polymer insulation cores. Second, we integrate double-glazed or triple-glazed units featuring asymmetric glass panel thicknesses (e.g., 6mm + 8mm or 10mm + 12mm) bound with specialized acoustic Polyvinyl Butyral (PVB) or Sound Acoustic SentryGlas interlayers to disrupt sound wave resonance. Finally, we install continuous co-extruded EPDM gaskets along the perimeter jambs paired with high-performance concealed automatic mechanical drop-down seals at the threshold, ensuring an airtight acoustic seal the moment the latch engages.
Can DERCHI pre-machine lock cases and pre-wire access control systems for smart office deployments? +
Yes. Our CNC machining centers can mill lock mortises, faceplates, and strike pockets to any hardware template provided by Dormakaba, Geze, Schüco, Adams Rite, or Assa Abloy. We also fabricate concealed internal raceways through the frame vertical stiles and pivot axes to allow fire-rated low-voltage wiring for electric strikes, magnetic shear locks, card readers, motion sensors, and emergency break-glass integration without visible surface conduits.
What surface finish options are available, and how do they comply with international architectural standards? +
We provide an extensive portfolio of architectural finishes:
1. Electrostatic Fluorocarbon (PVDF) Coatings: Compliant with AAMA 2605 specifications, utilizing 70% Kynar 500 resin for UV, chalking, and chemical resistance.
2. Qualicoat-Certified Powder Coating: Available in any RAL classic color with matte, fine-texture, high-gloss, or metallic luster finishes.
3. Architectural Anodizing: Certified to ISO 7599 and Qualanod standards, ranging from Class 10 (10μm) up to Class 25 (25μm) in natural clear, champagne, deep bronze, and jet black.
4. Italian Heat-Transfer Sublimated Wood-Grain: Real timber aesthetics combined with fireproof non-combustible aluminium substrates.
How are oversized office doors packaged and secured to prevent transit damage during international sea shipping? +
To ensure zero damage during multi-modal sea freight, each component undergoes a six-stage protective packaging process:
1. Low-tack peelable electrostatic film applied over all finished metal surfaces.
2. Corner guards molded from high-density rigid polyethylene foam.
3. Multi-layer shock-absorbing air-cushion bubble wrapping.
4. Encapsulation inside moisture-sealed vacuum plastic barrier wrap.
5. Enclosure within heat-treated, fumigated ISPM-15 compliant plywood crates reinforced with internal steel perimeter bands.
6. Loading into ocean containers using steel A-frames anchored with high-load dunnage straps to eliminate harmonic vibration.
What is your typical OEM engineering lead time from CAD approval to container dispatch? +
Following receipt of architectural specifications and door schedules, our design team produces fully dimensioned CAD/Revit shop drawings within 3 to 5 business days for client approval. Once shop drawings are signed off and production deposits received, standard extrusion, CNC milling, surface finishing, assembly, and QA testing requires 25 to 35 calendar days depending on system complexity and total volume. Urgent commercial phases can be expedited upon consultation.
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