Manufactured under strict ISO 9001 and international performance standards (CE, NFRC, AS2047, CSA), our aluminium windows, bifold systems, sliding doors, and curtain walls deliver superior thermal insulation, wind-load resistance, and water tightness in all climatic zones.
To eliminate overseas sizing and fitting errors, Guangdong Dejiyoupin Doors and Windows Co., Ltd. implements an end-to-end technical control process before shipment arrives at your destination port.
01 Our structural engineers inspect CAD/BIM drawings, elevation schedules, wind-load ratings, and wall construction details.
02 Optimal aluminium profile depths, thermal break configurations, and glass specifications are chosen based on local climates.
03 Comprehensive commercial and technical documentation, providing itemized glass, hardware, and structural specifications.
04 Custom colors, handles, lock mechanisms, sub-sill details, and physical corner samples are finalized and formally signed off.
05 Project milestone dates, raw material batches, and export delivery timetables are confirmed with full factory scheduling.
06 Verification of exact on-site structural openings through laser measurement data or certified contractor shop drawings.
07 Automated cutting, CNC milling, corner crimping, and 360° assembly inspection to guarantee tolerance within ±0.5mm.
08 Plywood crating, item-coded label marking, and remote CAD or video technical guidance for local fitting contractors.
From private oceanfront mansions to high-density commercial developments, our Foshan factory meets custom structural requirements with zero compromise on durability.
Tailored profile shapes, oversized spans, curved arches, and minimalist narrow-bezel sightlines engineered for modern luxury architecture.
Harmonized exterior entrance doors, casement windows, sliding patio systems, and interior wooden doors in a single shipment.
Unlimited RAL color matching, fluorocarbon PVDF, anodized finishes, low-iron clear glass, reflective tints, and acoustic interlayers.
Exclusive Four-Side Six-Point Lock invention patent, heavy-duty hinges, and anti-lift track structures protecting against forced entry.
Guangdong Dejiyoupin Doors and Windows Co., Ltd. stands behind every window and door shipped with prompt component support and warranty coverage.
Within 10 years of purchase, any glass issues including seal failure, internal fogging, or spontaneous breakage will be resolved with free replacement components.
10-year coverage for functional mechanical components including handles, multi-point lock bodies, gearboxes, rollers, and precision multi-link hinges.
EPDM composite sealing strips are warranted for 10 years against UV embrittlement, hardening, or cracking, maintaining building airtightness over decades.
Polyamide thermal barrier strips are protected by a 10-year warranty against cracking or structural debonding under heavy thermal stress.
Our aluminium window and door systems are specified by premier architectural firms and hospitality operators across more than 30 countries.
Connect with Guangdong Dejiyoupin Doors and Windows Co., Ltd. Send your elevation schedules and project specifications for an engineering review and factory-direct quote.