South America Suriname Coastal Luxury Villa
Equipped with marine-grade powder-coated thermal break casements and heavy-duty sliding systems to resist salt spray and intense tropical UV radiation.
Engineering Excellence
18,000+ Completed Global Projects
Manufactured by Guangdong Dejiyoupin Doors and Windows Co., Ltd. from our 180,000 m² Foshan facility, our systems serve prestigious architectural residences, high-rise apartments, and luxury resorts across South America, North America, Oceania, Europe, and Asia.
South America 
Chile Chile Seismic Structural Facade
Engineered with reinforced structural mullions, laminated safety glass, and flexible EPDM gaskets to accommodate Andean seismic building movement.
Brazil Brazil Oceanfront Penthouse Doors
Large-span sliding glass doors with concealed drainage channels and multi-point locking systems ensuring superior wind-load performance.
Peru Peru High-Altitude Villa Glazing
Features Low-E argon-filled insulated glazing to control dramatic day-night temperature swings and enhance residential acoustic privacy.
Colombia Colombia Modern Estate Residence
Minimalist slim-profile architectural sliding doors coupled with integrated aluminum sunrooms for seamless indoor-outdoor tropical entertaining.
Argentina Argentina Commercial & Residential Project
Polyamide thermal-barrier casement windows delivering high energy conservation ratings and airtight protection against cold Southern Cone winds.
North America Custom Residential Retrofit
Engineered replacement with certified thermal break casements delivering superior U-values and clean architectural lines.
United States New York Apartment Complex
High-acoustic STC rated aluminum window systems meeting strict urban decibel and energy efficiency specifications.
Florida, USA Panama City Beach Coastal Project
Hurricane impact-rated aluminum sliding doors and reinforced windows engineered for Category 5 storm protection.
Canada Quebec Architectural Villa
CSA and Energy Star certified triple-glazed insulated windows designed for extreme sub-zero continental winter endurance.
California, USA Los Angeles Luxury Residence
Ultra-slim pocket sliding doors creating expansive panoramic openings with seamless low-threshold transition tracks.
United States Heavy-Duty Folding Patio Enclosures
Top-hung multi-panel bifolding doors fitted with stainless steel hardware for effortless, long-cycle operation.
Australia Australian Coastal Architecture
Full AS2047 compliant high-wind-rated sliding and casement assemblies with corrosion-resistant finishes.
Oceania Panoramic Oceanfront Living
Heavy-duty thermal sliding glass walls engineered to withstand demanding Pacific cyclonic wind pressures.
New Zealand Auckland Energy-Efficient Apartments
Double Low-E glazed casement assemblies minimizing thermal bridging and delivering superior condensation resistance.
Cambodia Phnom Penh Commercial Complex
Engineered structural curtain walls and commercial facade doors customized to high-traffic urban performance standards.
Thailand Pattaya Bay Luxury Resort
Tropical weather-sealed slide and fold doors connecting private resort suites directly to infinity pool courtyards.
Southeast Asia Contemporary Tropical Villa
Ultra-large picture windows and concealed-frame casements paired with German multi-point locking hardware.
United Kingdom Bailiwick of Jersey Coastal Villa
CE-certified high-performance architectural systems resisting North Atlantic moisture and salt spray degradation.
Europe Passive Standard Residential Project
Precision-mitered thermal break profiles delivering tight airtightness and high structural acoustic insulation.
Western Europe Urban Development Project
Integrated tilt-and-turn window units providing dual-action ventilation and certified security against forced entry.
Dubai, UAE Dubai Luxury Villa Project
Solar-reflective solar control Low-E glass coupled with thermally insulated profiles mitigating extreme desert heat radiation.
United Arab Emirates High-Performance Commercial Facade
Precision dust-proof perimeter seals and reinforced mullion designs engineered for extreme sandstorm and wind loads.
Qatar Prestige Residential Compound
Custom heavy-duty entry doors and expansive sliding partitions delivering seamless operation in desert climates.
Structured Execution
Our 8-Step Engineering Process
A rigorous, transparent workflow guarantees that every custom door and window system arrives with zero dimensional errors, validated structural load calculations, and comprehensive ocean freight crating.
Drawing Review
Thorough examination of architectural elevations, structural openings, and local building code demands.
R&D Engineering
Custom structural calculations, profile selection, glass performance modeling, and wind load verification.
Technical Quotation
Transparent bill of materials, system configurations, performance ratings, and CIF/FOB logistics breakdowns.
Details Finalized
CAD shop drawings, hardware functions, RAL finish codes, and glazing schedules confirmed in writing.
Order Confirmation
Deposit secures the production schedule and locks in raw materials with premium extrusion and glass mills.
Site Measurements
Laser measurement verification and opening tolerances re-checked prior to CNC profile cutting and assembly.
Production & QC
360-degree quality control: air tightness, water penetration resistance, and hardware testing before crating.
Installation Guidance
Comprehensive CAD layout manuals, structural anchoring diagrams, and remote or on-site engineering oversight.
Bespoke Solutions
Whole-Envelope Customization Services
Guangdong Dejiyoupin Doors and Windows Co., Ltd. eliminates multi-vendor misalignment by providing complete whole-building openings under one rigorous manufacturing standard.
Structural & System R&D
Custom die extrusions, reinforced seismic mullions, and thermal break engineering developed specifically for distinctive architectural facades.
Whole-Home Envelope Systems
Harmonized finishes and profiles across exterior folding doors, casement windows, luxury pivot entries, glass sunrooms, and interior solid doors.
Finishes & Glazing Tailoring
Certified AkzoNobel powder coating, marine fluorocarbon PVDF, electroplated hardware, smart dimming glass, and laminated acoustic layers.
Enterprise Strength
Why Leading Builders Choose DERCHI
Recognized by Xinhua News Agency as a "China Famous Brand," we combine continuous innovation with large-scale industrial output to guarantee timely project delivery.
Annual R&D Output
More than 50 newly developed profile systems, proprietary locks, and advanced drainage solutions launched every single year.
Global Certifications
Certified to CE (EU), NFRC (USA), AS2047 (Australia), CSA (Canada), Energy Star, and Hurricane Impact test standards.
100+ National Patents
Home to the patented Four-Side Six-Point locking mechanism, delivering unmatched anti-burglary protection and airtight perimeter clamping.
In-House Testing Lab
Dedicated wind pressure, air permeability, water tightness, and cyclical hardware endurance test chambers verifying every production batch.
Verified Facility
Tour Our 180,000 m² Smart Manufacturing Center
Guangdong Dejiyoupin Doors and Windows Co., Ltd. operates state-of-the-art CNC machining centers, automated insulating glass lines, and professional export crating stations in Foshan, China. Watch how our precision engineering ensures zero-error fulfillment for high-profile overseas developments.
Dependable Reliability
10-Year Comprehensive Warranty Protection
Our commitment to overseas buyers extends well beyond project delivery. We back our materials with an industry-leading 10-year factory warranty program.
Glass Assemblies
Full 10-year free replacement coverage for insulated glass seal failure, fogging, spontaneous breakage, or inner grid degradation.
Hardware Systems
10-year factory guarantee covering functional integrity of handles, stainless steel rollers, multi-point locksets, and heavy-duty hinges.
EPDM Gaskets
10-year assurance against premature aging, embrittlement, hardening, or cracking of automotive-grade EPDM weather seals.
Thermal Barrier Strips
10-year structural guarantee for PA66 reinforced polyamide thermal break strips against delamination and structural deformation.
Global Trust
The Preferred Choice of Global Developers
From residential developers and five-star hospitality brands to boutique architectural firms, DERCHI delivers consistent structural quality across continents.
