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Profile & Structure
High-tensile 6063-T6 aluminum alloys, PA66 GF25 reinforced thermal break barriers, and multi-cavity structural profiles engineered for wind load resistance and low U-values.
Engineering Excellence & Turnkey Manufacturing
Customised Services
Bespoke OEM/ODM entry door engineering, code-compliant fabrication, precision hardware integration, and project supply chain solutions engineered by Guangdong Dejiyoupin Doors and Windows Co., Ltd.
Architectural Engineering
Turnkey Door Solutions Built to Technical Specification
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) collaborates closely with architects, general contractors, developers, and global door distributors. From oversized structural pivot configurations to complex tropical climate thermal barriers, we engineer custom systems that balance aesthetic vision with rigorous building science.
Our 180,000㎡ Foshan smart manufacturing base houses specialized extrusion processing lines, automated CNC machining centers, and climate simulation testing rigs. Whether your project demands extreme typhoon resistance in coastal Southeast Asia or high acoustic dampening in metropolitan centers, our engineers deliver zero-defect architectural doors built to exact schedules.
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High-Performance Glazing
Double and triple insulated glass units (IGUs), warm-edge spacers, Low-E coatings, argon filling, laminated PVB/SentryGlas safety interlayers, and acoustic ratings exceeding STC 40.
03
Tier-1 Hardware Integration
Certified hardware partnerships including WEHAG, Kerssemberg, HOPO, PAG, and VBH. Heavy-duty pivot bearings holding up to 800kg and multi-point security locking systems.
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Smart Automation & Access
Concealed motorized drive operators, biometric fingerprint sensors, smartphone app integration, RFID, and seamless connectivity with building management systems (BMS).
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Climate Code Compliance
Engineered for extreme environmental exposure: cyclone-tested wind resistance (AS 2047 N6), continuous water tightness, and verified thermal transfer rates (U-factor ≤ 1.0).
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Custom Surface Finishes
Architectural PVDF fluorocarbon spraying, marine-grade anodizing (Class 1), outdoor powder coatings with 30-year warranty, and handcrafted 3D cast relief finishes.
Global Supply Chain
End-to-End Export Logistics Framework
With over two decades of global trade execution, Guangdong Dejiyoupin Doors and Windows Co., Ltd. provides risk-free container packing, smooth maritime shipping, and reliable on-site delivery worldwide.
01
Export Logistics
Direct project coordination with authorized international freight forwarders and carrier booking.
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Departure Clearance
Complete export licensing, commercial documentation, phytosanitary treatment, and customs declaration.
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Freight Transit
Secure maritime container loading from Pearl River Delta ports with real-time 24/7 shipment tracking.
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Port Clearance
Documentary handoff to ensure friction-free destination port-of-entry customs and tariff handling.
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Jobsite Delivery
Reinforced fumigated plywood crates and corner guards delivered directly to urban or remote project sites.
Field Engineering Standards
Precision Installation Controls Durability
Even the most advanced structural door system will fail prematurely if perimeter anchorage, leveling, or weather sealing is compromised. Studies confirm that improper site installation accounts for up to 30% of building envelope energy loss and hardware fatigue.
Guangdong Dejiyoupin Doors and Windows Co., Ltd. safeguards your capital investment by providing project-specific CAD submittals, step-by-step digital manuals, and dedicated video engineering reviews for site contractors.
Full-Frame Alignment
Laser-calibrated plumb checks and anti-corrosive leveling shims eliminate frame twisting and load concentration.
Acoustic Perimeter Dampening
Dense insulation buffers and acoustic decoupling gaskets absorb structural vibration and block outdoor noise transmission.
Triple-Barrier Weatherproofing
Continuous EPDM gaskets, closed-cell expanding foam, and heavy butyl flashing prevent water intrusion during driving storms.
Multi-Cycle Quality Audits
Rigorous pre-shipment alignment tests ensure effortless latching, balanced hinge distribution, and long lifecycle stability.
Dedicated OEM/ODM Lifecycle
Rapid Response & Engineering Remediation
Our overseas project division operates on GMT+8, ensuring real-time technical coordination throughout your project lifecycle.
1-Hour Engineering Response
Our project managers and structural draftsmen provide rapid drawing reviews, budget estimations, and troubleshooting within 60 minutes during standard business hours. Direct video conferencing ensures transparent alignment with project teams.
Fast Technical Remediation
In the rare event of on-site transit wear or schedule adjustments, express air freight dispatch of modular replacement components, structural seal kits, and on-call engineering guidance minimize costly construction delays.
Certified Protection
Global 10-Year Commercial Warranty Matrix
Guangdong Dejiyoupin Doors and Windows Co., Ltd. backs every manufactured system with ironclad warranties that meet institutional project standards.
10 YRS
Structural Profiles
Guaranteed structural integrity of aluminum profiles against warping, cracking, or thermal degradation under normal load conditions.
15 YRS
PVDF & Powder Finishes
Upgraded fluorocarbon exterior coatings protected against extreme UV fading, chalking, and coastal saline corrosion.
10 YRS
Insulated Glazing
Hermetic seal integrity guaranteed against internal condensation, fogging, and edge spacer seal failure.
10 YRS
Precision Hardware
Multi-point locks, heavy-duty floor springs, and bearing assemblies tested for 200,000+ open-and-close cycles.
10 YRS
Weather Seals
EPDM weatherstripping and vulcanized gaskets engineered to resist ozone, heat embrittlement, and compression set.
Verified Compliance
International Certifications & Test Audits
Our manufacturing operations and door assemblies are certified by premier testing authorities worldwide.
Service Inquiries
Technical Support & OEM Assistance
Direct answers to commercial specifications, custom sampling, and manufacturing capacity.
How quickly can I receive a customized technical proposal?
Submit your architectural schedules or CAD drawings to our project desk. An assigned project engineer from Guangdong Dejiyoupin Doors and Windows Co., Ltd. will provide a detailed technical quotation, glass and thermal calculations, and CAD shop drawings within 1 business day. For tender deadlines, priority expedited processing is activated immediately.
Can we evaluate product samples before placing bulk orders?
Yes. We regularly assemble customized profile cross-sections, finish boards, and full-scale mock-up doors for architectural review and client approval. International purchasers can also inspect production through live HD video inspections and our 360-degree virtual factory platform.
What parameters can be customized for OEM projects?
All dimensions, opening styles (pivot, hinged, sliding, bi-folding), aluminum extrusion alloy specifications, glass builds (Low-E, solar-tinted, triple glazed, smart switchable), architectural finishes (PVDF, fluorocarbon, anodized), and smart biometric hardware configurations are fully bespoke to your exact jobsite requirements.