Do you ship custom entry doors to the United States and Canada?

Yes. North America is our core export market. Every door is export-crated for ocean freight, and we coordinate commercial documents with your freight forwarder or customs broker for delivery to U.S. and Canadian ports.

Can you build doors to North American sizes and door schedules?

Yes. Send dimensions in inches or millimeters together with your architectural drawings or door schedule. Our in-house engineers prepare free CAD shop drawings for your approval before production begins.

Which certifications do your entry doors hold?

Our products hold CE, ISO 9001, AS 2047 and UL fire-rated certifications, supported by more than 100 certificates and patents. For project-specific local code requirements, share your specifications early so our engineering team can confirm compliance documentation.

Which entry door material is best for cold or coastal climates?

For cold climates such as Canada and the northern U.S., specify thermally broken aluminum profiles with insulated Low-E glass. For coastal properties exposed to salt air, stainless steel and powder-coated aluminum offer excellent corrosion resistance with minimal maintenance.

Who do you typically work with in North America?

We support custom home builders, general contractors, architects, developers, hospitality projects, door dealers and distributors, as well as homeowners managing high-end custom residences.

Can I inspect your factory before placing an order?

Yes. You can explore our 180,000 square meter production base through the online 360-degree Factory VR tour and factory videos, and in-person factory visits are welcome by appointment.

China Wholesale Aluminum Double Glazed Windows Manufacturer & Exporter

As international energy codes become stringent across North America, Europe, and Oceania (such as IECC 2024, ASHRAE 90.1, and NCC 2022 Section J), building envelopes must deliver verifiable thermal barrier performance. As a top-tier Chinese wholesale manufacturer and direct exporter, Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) combines precision CNC fabrication, certified polyamide thermal breaks (PA66 GF25), and robotic insulating glass unit (IGU) assembly to engineer architectural double glazed aluminum windows that exceed global fenestration performance benchmarks.

Structural Engineering of High-Performance Double Glazed Aluminum Windows

Standard aluminum fenestration suffers from high thermal conductivity (λ ≈ 160 W/m·K). To neutralize thermal bridge dissipation, DERCHI adopts advanced techno-polymer thermal break bar insertion, physically separating the interior and exterior 6063-T6 aluminum extrusion profiles. The integration of 24mm to 34mm wide glass fiber reinforced polyamide (PA66 GF25) strips drops frame heat transfer substantially, achieving overall fenestration U-values as low as 0.24 to 0.28 BTU/hr·ft²·°F (1.4 to 1.6 W/m²K) when integrated with warm-edge spacer IGUs.

The double glazed units (DGU) utilize an automated secondary butyl seal and silicone structural glazing method. Standard configurations feature 5mm low-iron toughened glass + 12A/16A/20A argon gas space + 5mm Low-Emissivity (Low-E) glass, delivering optimal solar control while maintaining visible light transmittance (VLT > 65%). For coastal and cyclone zones, laminated SentryGlas (SG) and PVB interlayers are engineered into the exterior lites to satisfy high-velocity hurricane zone (HVHZ) and AS 2047 N6 wind loading criteria up to 4500 Pa.

Future Procurement Trends in Commercial & Residential Fenestration

Sourcing managers, real estate developers, and general contractors are pivoting their supply chain architectures. Sourcing directly from China has transitioned from standard cost arbitrage to engineering co-design and certified component validation. Key procurement dynamics include:

Low-Carbon Embodied Aluminum

Institutional developers increasingly specify hydro-powered, certified low-carbon billet extrusions (<4.0 kg CO2/kg Al) accompanied by third-party verified Environmental Product Declarations (EPD) to qualify for LEED v4.1 and BREEAM certifications.

Prefabricated Shop-Assembled Units

Rising jobsite labor costs across the USA, Canada, and Australia drive demand for fully unitized, factory-glazed systems delivered with integrated sub-frames, flashings, and anchor hardware, eliminating 60% of onsite installation labor.

Multi-Hazard Performance Mandates

Procurement teams require single fenestration assemblies meeting both thermal performance metrics (Title 24, SB 3237) and severe impact/blast criteria (ASTM E1886/E1996 or AS 2047 N6), requiring rigorous in-factory cyclic pressure and air/water testing.

Technological Advancements in Aluminum Window Manufacturing

The contemporary double glazed window has evolved beyond passive weather barrier into a complex, smart building envelope component. Notable evolutionary milestones deployed in DERCHI’s 180,000 m² smart plant include:

1. Warm-Edge Flexible Spacer Systems: Replacing conventional rigid aluminum hollow spacers with composite structural foam spacers (TPS or silicone-based matrix) has effectively eliminated edge-condensation, elevated inside glass edge temperature by 4–6°C, and improved overall window U-values by roughly 10–15%.

2. Micro-Ventilation & Concealed Hardware: Modern European tilt-and-turn configurations feature fully concealed multi-point gearboxes capable of sustaining sash weights exceeding 180 kg while providing passive 10mm micro-ventilation to prevent interior moisture buildup without compromising structural perimeter sealing.

3. Nanotechnology Surface Coatings: Powder coating formulations certified under Qualicoat Class 2 and AAMA 2605 specifications offer fluoropolymer (PVDF) resistance against solar UV radiation degradation, chalking, and coastal marine corrosion for over 25 years without requiring surface recoating.

Engineering Parameter Specification Guide

Reference data for architectural door and window schedules, engineering approvals, and international customs clearance documentation:

System Series	Frame Profile Depth	Thermal Barrier Type	Glazing Cavity / Specification	Air / Water / Wind Infiltration Limits	Thermal Transmittance (Uw)
Luvindow 70 Casement	70mm (2.75 in)	Polyamide PA66 GF25 (24mm)	5mm Low-E + 16Ar + 5mm Clear	ASTM E283 <0.01 cfm/ft² \| Water 700 Pa	1.4 - 1.6 W/m²·K (0.25 - 0.28 BTU)
120 Architectural Sliding	120mm (4.72 in)	Multi-Cavity Isothermal Strip	6mm Solar Control + 12Ar + 6mm Toughened	AS 2047 N6 Compliant (Design 4500 Pa)	1.6 - 1.8 W/m²·K (0.28 - 0.31 BTU)
Heavy Commercial Storefront	150mm (5.90 in)	Structural Pour & Debridge + PA66	8mm Low-E + 16Ar + 6.76mm SGP Laminated	ASTM E330 & E1996 Large Missile Impact Level D	1.5 - 1.7 W/m²·K (0.26 - 0.30 BTU)
Panoramic 270° Curved Corner	Custom Modular Profile	Concealed Thermal Isolation Core	6mm Tinted Curved + 14Ar + 6mm Toughened	GB/T 7106 Class 8 Pressure Resistance	1.7 - 1.9 W/m²·K (0.30 - 0.33 BTU)

Guangdong Dejiyoupin Doors and Windows Manufacturing Complex

Direct Factory Scale: Foshan Manufacturing Base

Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) operates from an expansive 180,000 square meter modernized industrial complex located in Nanhai District, Foshan—China’s global capital for precision aluminum extrusions. Backed by 600+ skilled craftsmen, structural fenestration engineers, and export specialists, our infrastructure provides total vertical manufacturing control.

From precision profile extrusion, anodizing, powder coating, and thermal break assembly to multi-layer IGU fabrication and automated packaging, our facility handles projects of any magnitude. With an extensive record of successful installations across North America, the Middle East, the Philippines, and Australia, we deliver project assurance through factory-direct commercial transparency.

Frequently Asked Questions by Global Buyers & Importers

Practical technical, logistical, and compliance answers for project developers, architects, and fenestration distributors.

Do you ship custom double glazed windows and entry doors to the United States and Canada?

Yes. North America is our core export market. Every window and door is export-crated in fumigated solid plywood with structural corner protectors and shrink wrap for ocean freight. We coordinate commercial invoices, packing lists, and test reports directly with your freight forwarder or customs broker for delivery to key U.S. and Canadian ports (Los Angeles, Seattle, Houston, New York, Vancouver, Montreal, etc.).

Can you manufacture windows to North American imperial sizes and specific architectural schedules?

Absolutely. We operate flexible production schedules. Send your project dimensions in inches or millimeters together with your architectural drawings, elevation plans, or door and window schedules. Our in-house engineering team prepares complete, free CAD shop drawings with cross-sectional profiles and anchorage details for your structural sign-off before manufacturing begins.

Which international building codes and test certifications do your windows hold?

Our products hold CE marking, ISO 9001 quality management registration, Australian AS 2047 (tested up to cyclonic N6 pressure), and UL fire ratings (for specialized hollow metal systems), supported by more than 100 certificates and utility patents. We provide project-specific NFRC thermal performance data and structural lab test reports to ensure rapid approvals by local building officials and plan checkers.

Which profile thermal break and glazing specification is recommended for cold or coastal zones?

For cold northern climates (Canada, US Climate Zones 5-7), we specify multi-cavity thermally broken aluminum profiles with 24mm+ PA66 GF25 nylon bars, argon gas filling, warm-edge spacers, and double/triple Low-E insulated glass to avoid interior condensation and maintain low U-values. For coastal regions with high salt humidity, we utilize marine-grade AAMA 2605 powder coatings or 25-micron architectural anodizing coupled with 316 stainless steel friction hinges and multipoint locks.

Can our procurement team inspect your factory prior to issuing bulk production orders?

Yes. Buyers are welcome to inspect our 180,000 square meter production facility in Foshan in person. Alternatively, our interactive 360-degree online Factory VR tour allows live remote inspection of our CNC machining centers, automated assembly lines, glass processing autoclaves, and pre-shipment mock-up test chambers with real-time video conferencing support from our engineering staff.

What is your typical production lead time and minimum order quantity (MOQ)?

For standard aluminum double glazed window configurations with standard anodized or powder-coated finishes, lead times range between 25 to 35 calendar days following CAD approval and glass procurement. For custom extruded dies or custom PVDF color formulas, lead times are approximately 35 to 45 days. We support both full container load (FCL) orders for commercial developments and consolidated LCL shipments for high-end custom residential projects.

China Wholesale Aluminum Double Glazed Windows Manufacturer & Exporter

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