Proven delivery performance across 18,000+ custom installations worldwide for European contractors, developers, and architects.
Engineered by Guangdong Dejiyoupin Doors and Windows Co., Ltd., our systems are exported across Europe, North America, Oceania, the Middle East, and beyond. Designed for stringent European structural codes, thermal performance, and architectural prestige.
Europe Custom marine-grade thermal break sliding systems and oversized insulated casements engineered to withstand extreme Channel Island coastal gusts and salt-spray corrosion.
Europe Whole-house thermal break tilt-and-turn windows paired with low-threshold bifold doors, providing high acoustic dampening and passive-level thermal insulation.
Europe Precision-fabricated commercial picture windows and heavy-duty entrance systems matching strict European energy efficiency and air-tightness criteria.
North America Ultra-narrow sightline multi-track sliding glass doors providing seamless indoor-outdoor transitions for high-end residential architecture.
North America Hurricane impact-rated aluminum window and entrance door solutions engineered for severe storm wind loads and coastal climate conditions.
North America Integrated cold-climate thermal barrier frames with warm-edge triple glazing, eliminating interior condensation during sub-zero winters.
Oceania Heavy-duty bifold door configurations and architectural awning windows built compliant with AS2047 high water-penetration resistance standards.
Middle East Solar-reflective insulated thermal break systems engineered to reduce heavy AC loads while offering high sand-tight and dust-tight ratings.
Asia Full envelope fenestration package including aluminum curtain walls, automated commercial sliding entries, and integrated casement windows.
Latin America Corrosion-proof multi-track sliding patios and structural glass conservatories engineered for high humidity and tropical monsoon rainfall.
North America Floor-to-ceiling slim patio doors delivering panoramic views, draft-free acoustic sealing, and high-efficiency thermal isolation.
Europe Whole-house coordinated package incorporating insulated entrance doors, casements, and garden sunrooms fabricated to precise European millimetre specs.
From initial blueprints to international export crating, our turnkey engineering process guarantees that every profile arrives on your project site exact to specifications.
Comprehensive evaluation of architectural elevations, opening schedules, wind load criteria, and thermal targets.
Profile matrix selection, thermal strip dimensioning, and structural calculation backed by our 30+ internal R&D engineers.
Itemised transparent pricing, glass build-ups, finish selections, and freight cost breakdown for commercial decision making.
Production-level shop drawings, sectional details, opening directions, and hardware samples confirmed before machining.
Raw material allocation and automated CNC machine programming scheduled immediately upon deposit confirmation.
Dimensional cross-checking with local surveying data or laser site measurements to avoid fitting tolerances errors on site.
360-degree quality audit checking corner crimping, gasket seating, glass fit, and mock-up operation before crate packing.
Numbered packaging lists, installation manuals, video guides, and direct remote engineering assistance for local trade teams.
Guangdong Dejiyoupin Doors and Windows Co., Ltd. delivers custom structural engineering, matching unique European architectural typologies from heritage restorations to minimalist luxury homes.
Custom extrusion mould development and proprietary structural profile design tailored specifically for large-span openings, heavy snow loads, or high-velocity wind zones.
Synchronised fenestration systems: luxury thermal entrance doors, slim patio sliders, casements, interior timber doors, and glass sunrooms produced under one consistent finish standard.
Extensive RAL powder coatings, metallic anodising, timber sublimations, and integration of European multi-point security hardware including Siegenia, HOPPE, and Roto.
Certified manufacturing capacity and engineering precision that de-risks overseas supply chain management for European importers and project managers.
Comprehensive credentials including CE marking for the European Union (EN 14351-1), NFRC for North America, AS2047 for Australia, CSA for Canada, and ISO 9001 quality management.
Proprietary Four-Side Six-Point locking invention patent providing residential anti-burglary protection, reinforced corner joints, and enhanced acoustic isolation barriers.
Rigorous pre-shipment testing facility measuring air permeability, cyclic water pressure tightness, wind deflection loads, and thermal simulation verification.
Recognised by Xinhua News Agency as a "China Famous Brand", Guangdong Dejiyoupin Doors and Windows Co., Ltd. operates 180,000 m² of intelligent production lines with over 1,000,000 m² annual output capacity.
Trusted by prominent hospitality brands, residential developers, commercial builders, and European import partners across more than 30 nations.
We stand behind every window and door shipped. Overseas clients enjoy extended 10-year warranty coverage with free component replacements to ensure complete project security.
10-year guarantee against seal failure, internal desiccant fogging, spontaneous breakage, and surface delamination with direct factory component replacements.
10-year functional coverage for handles, hinges, multi-point lock bodies, and precision transmission gears with fast international replacement dispatch.
10-year elasticity and anti-aging assurance. High-grade continuous EPDM rubber seals are guaranteed against brittleness, shrinkage, and water ingress.
10-year warranty for PA66 GF25 insulation strips protecting against structural cracking, micro-fissuring, or profile separation under severe climate cycles.