Aluminum Doors And Windows FAQ
180,000 m² Facility
Foshan direct smart manufacturing base
25+ Years Experience
18,000+ completed global projects
10-Year Factory Warranty
Rigorous structural & finish protection
Direct African Port Delivery
Export-grade sea-freight crating
Essential Engineering & Sourcing Guidance for Overseas Buyers
Whether you are an architect designing luxury villas in Nairobi, a real estate developer building residential towers in Lagos, or a regional building materials importer in South Africa, find accurate answers about factory qualifications, climate engineering, custom production, and container shipping.
1. Factory Scale, Manufacturing Capacity & Corporate Identity
Are you a direct manufacturing facility or a trading middleman?
Guangdong Dejiyoupin Doors and Windows Co., Ltd. is a genuine, large-scale direct manufacturer headquartered in Nanhai District, Foshan City, Guangdong Province, China — the recognized global center of precision architectural aluminium extrusion and processing.
Our infrastructure includes a modern 180,000 m² smart production base staffed by more than 600 skilled technicians, seasoned craftsmen, and an in-house engineering and R&D department of over 30 specialists. Over 25+ years of continuous manufacturing, we have delivered zero-error fenestration systems for more than 18,000 residential, commercial, and hospitality projects globally. We welcome third-party factory audits (SGS, TÜV, Bureau Veritas) or real-time remote video facility tours prior to order deposit.
What specific window and door product systems do you manufacture?
We engineer a full spectrum of architectural aluminium building systems configured to client drawings:
- Aluminium Window Systems: Thermal-break and non-thermal casement windows, tilt-and-turn windows, heavy-duty sliding windows, multi-lite fixed architectural picture windows, and integrated insect/security screen systems.
- Aluminium Door Systems: Multi-track panoramic sliding patio doors, heavy-duty bifold (accordion) doors, ultra-narrow sightline minimalist doors, architectural front entry pivot doors, and swing French doors.
- Sunroom & Structural Glazing: Engineered glass sunroom enclosures, solariums, curtain wall modules, and outdoor patio canopies with reinforced integrated drainage gutters.
- Interior Wooden Doors: High-grade solid wooden doors and composite engineered interior doors featuring moisture-resistant acoustic cores.
2. Climate Adaptation, Wind-Loads & Security Engineering
How are your aluminium systems modified to endure extreme African heat, UV, and coastal salt spray?
Different African regions present distinct environmental stresses. Guangdong Dejiyoupin Doors and Windows Co., Ltd. configures every batch according to job site environmental conditions:
- Intense Solar Radiation & Heat (Sahel, West & East Africa): We utilize multi-chamber architectural profiles with European-standard polyamide PA66 thermal barrier strips. When combined with double-glazed insulated Low-E glass with argon gas filling, solar heat gain coefficient (SHGC) is dramatically reduced, lowering building HVAC operational power costs during grid brownouts.
- Coastal Salt Air Corrosion (Lagos, Mombasa, Dar es Salaam, Durban): We apply high-durability fluorocarbon (PVDF) 3-coat paint finishes or marine-grade AAMA 2604/2605 certified electrostatic architectural powder coatings (60 to 80 microns thick). All hinges, screws, and structural rollers are upgraded to 304 or 316 stainless steel to ensure lifetime resistance to airborne maritime chlorides.
- Airborne Dust & Driving Tropical Rain: Heavy multi-lip automotive-grade EPDM synthetic rubber gaskets combined with stepped pressure-equalized drainage weep holes prevent rainwater back-siphonage during monsoon squalls and seal against fine desert dust infiltration.
What anti-theft and structural security mechanisms protect your residential and commercial doors?
Security is a prime consideration for African residential communities, luxury private compounds, and commercial premises. Guangdong Dejiyoupin Doors and Windows Co., Ltd. integrates our patented Four-Side Six-Point Lock mechanism across premium entry and sliding collections.
Unlike standard single-point locks that pry open under slight forced leverage, our patented system drives hardened steel mushroom-head locking cams simultaneously along all four perimeter sash axes into reinforced frame keeps. Combined with laminated security glass (PVB/SGP interlayers) and heavy-gauge aluminium wall extrusions (1.8 mm to 3.0 mm structural thicknesses), our doors resist severe physical impact and forced entry.
3. Quotation Protocol, Technical Drawings & Production Lead Times
What specific details are required to obtain a detailed engineering quotation?
Because every architectural opening is tailored to custom specifications, pricing depends on precise configuration variables. To provide a professional itemized BOQ quotation within 24 hours, our engineering desk requires:
- Architectural floor plans, elevation sheets, or window/door schedules with rough opening dimensions (Width x Height).
- Preferred opening mechanism (casement, slider, bifold, tilt-turn, fixed).
- Aluminium frame surface finish and RAL color code (matt black, dark bronze, charcoal grey, wood-grain heat transfer).
- Glass criteria: Single, double, or triple glazing; clear, tinted, reflective, tempered safety, or laminated acoustic Low-E glass.
- Destination discharge port for sea freight container calculation.
If full architectural plans are not yet finalized, our design team can propose standardized modular configurations suited to your project typology and budget envelope.
What is your standard production cycle, and can you handle phased deliveries?
Standard fabrication time is 25 to 35 calendar days following receipt of the agreed deposit and written customer approval of detailed 1:1 CAD shop drawings. For large-scale commercial developments or phased hotel construction, our production planning department coordinates rolling container dispatches synchronized directly with your on-site slab pouring and installation calendar.
4. Export-Grade Packaging, Port Delivery & Quality Warranty
How do you ensure zero transit breakage across long maritime shipping routes to Africa?
Trans-oceanic shipping involves dynamic ocean swell and heavy port handling. We protect every single shipment with a five-tier export packaging system:
- Surface protective film across 100% of exposed aluminium surfaces to prevent scuffs and stucco stains.
- Reinforced high-density foam corner protectors guarding all profile miters.
- Multi-layer waterproof PE wrap encapsulating the entire sash.
- Heavy fumigated solid timber or composite plywood skeleton crates with internal foam cushioning.
- Internal container securing using heavy-duty ratchet tie-downs, air bags, and timber block shoring to prevent container inertia damage during voyage.
Every crate is clearly marked with floor, room number, and opening tag numbers matching your architectural drawings for rapid on-site staging.
What international testing standards and factory warranties back your assemblies?
Our production protocols satisfy world-class building standards including CE (EN 14351-1), NFRC, AS2047, CSA, Energy Star, and ISO 9001 certification. Furthermore, systems can be configured to comply with regional requirements such as South Africa's SANS 10400-XA energy efficiency standards or Nigerian SONCAP certification.
Guangdong Dejiyoupin Doors and Windows Co., Ltd. provides a 10-Year Factory Warranty covering aluminium profile structural integrity, coating adhesion against bubbling, flaking, or chalking, and insulation seal durability on double-glazed insulated glass units. World-class hardware mechanisms (Siegenia, Hoppe, or proprietary high-torque hardware) carry extensive operational cycle warranties.
What installation assistance and after-sales support do you provide to foreign project contractors?
We provide end-to-end technical documentation with every dispatched order:
- Accurate 2D/3D CAD installation detailing showing flashing integration, sub-frame anchors, structural expansion joints, and perimeter sealant depths.
- Step-by-step video installation tutorials demonstrating sash alignment, hinge fine-tuning, and hardware maintenance.
- Direct video conference consultations between your local installation foreman and our senior structural engineers.
- For major resort, commercial, or residential developments, seasoned engineering supervisors can be deployed on-site to train local teams and oversee zero-error installation.
Have a Specific Project or Technical Requirement?
Send your drawings, bill of quantities, or opening schedules to Guangdong Dejiyoupin Doors and Windows Co., Ltd. Our engineering team provides detailed CAD proposals and competitive factory-direct quotations within 24 hours.