ISO 9001 & EN 14351-1 Standardised

CE Certified Aluminum Alloy Doors And Windows Manufacturers & Suppliers

Technical specification matrix, architectural fenestration compliance, and direct factory procurement guide for international developers, building contractors, and commercial architects.

180,000m²
Integrated Factory Base
25+
Years Engineering Expertise
100+
Patents & Global Certs
600+
Specialized Technicians
Engineered Fenestration Systems

High-Performance Aluminum Doors & Architectural Windows

Precision-machined from structural 6063-T5 and 6060-T6 aluminum alloys. All systems integrate multi-chambered polyamide (PA66) thermal breaks, specialized EPDM gasket systems, and European hardware compatibility.

Market Intelligence & Technical Trends

Global Aluminum Fenestration Procurement & Technological Trends

Modern architectural specifications are shifting toward deep decarbonization, advanced building envelope performance, and automated fabrication pipelines. Understanding these engineering trends ensures compliance across key global markets.

Decarbonization & Low-Carbon Billets

Procurement teams across Europe and North America now require verified Environmental Product Declarations (EPDs). The industry is prioritizing secondary recycled aluminum billets and hydropower-smelted primary alloys to reduce embodied carbon down to < 4.0 kg CO2e/kg Al.

BIM-Driven DfMA Precision

Projects increasingly demand Design for Manufacture and Assembly (DfMA). Architectural firms require manufacturers to provide parametric Revit/BIM models with thermal and structural properties, reducing lead times and eliminating on-site installation disputes.

Integrated Supply-Chain Packages

To reduce risk, general contractors are shifting away from fragmented sourcing. The preference is moving toward single-source Tier-1 manufacturers capable of supplying exterior curtain walls, entry pivot systems, and interior architectural doors under a single warranty.

Aerogel & Structural Polyamide Breaks

Next-generation thermal profiles use multi-cavity PA66 GF25 insulative strips combined with aerogel and warm-edge glass spacers. These systems achieve overall thermal transmittance values ($U_w$) below 0.8 W/(m²·K), meeting German Passivhaus standards.

Concealed Smart Security Integration

Modern architectural entry doors require hardware-free minimalist sightlines. Demand has grown for concealed multi-point motorized locking, biometrics, 3D adjustable pivot hinges, and building automation protocols like KNX and BACnet.

Fluoropolymer & Qualicoat Class 2/3

For coastal and high-UV environments, powder coating has transitioned to hyper-durable Qualicoat Class 2 and Class 3 fluoropolymer (PVDF) formulations. These provide 30-year resistance against chalking, salt spray degradation, and color fading.

Compliance Vector European Norm (EN Standards) North American Standard (NFRC/AAMA) DERCHI Factory Validation Metric
Thermal Transmittance (U-Value) EN ISO 10077-1/-2 NFRC 100 / 200 ($U$-Factor, SHGC) Achieves down to $U_w \le 0.82\text{ W/(m}^2\cdot\text{K)}$ with triple argon glazing
Air Permeability / Leakage EN 12207 (Class 4) AAMA/WDMA/CSA 101/I.S.2/A440 Class 4 achieved: $\le 3\text{ m}^3/(\text{h}\cdot\text{m}^2)$ at 600 Pa test pressure
Water Tightness EN 12208 (Class E1500) ASTM E331 / ASTM E547 No water ingress up to 1,500 Pa continuous cyclical spray
Wind Load Resistance EN 12210 (Class C5) ASTM E330 Structural Performance Deflection ratio < 1/300 under dynamic ±3,000 Pa wind pressures
Burglar & Impact Resistance EN 1627 (RC2 / RC3) ASTM F588 / Miami-Dade TAS 201/202 Integrated multi-point mushroom security cams, anti-lift pins, and P5A glass
Enterprise Strengths & E-E-A-T Authority

Guangdong Dejiyoupin Doors & Windows Co., Ltd. (DERCHI)

Founded in Foshan—the industrial center for global precision aluminum extrusion—DERCHI operates an advanced 180,000 m² manufacturing plant. Backed by 25+ years of engineering focus, we are recognized among China's top 10 high-performance fenestration manufacturers.

Our direct-to-developer model supports commercial contractors and architectural practices across the UK, Germany, France, the US, and Australia. We maintain end-to-end quality control from raw 6063-T5 aluminum billet extrusion to automated CNC multi-axis milling, glass unit fabrication, assembly, and packaging.

Selected by a long-term UK Schüco partner for an exclusive multi-villa estate development, matching stringent European fabrication tolerances.
Full standard compliance: CE certification under EN 14351-1, ISO 9001 quality audits, AS 2047 cyclonic testing (passed N6 standard), and UL fire door listings.
Dedicated Technical Team: Fluent English-speaking structural facade engineers providing shop drawings and support during CET/EST business hours.
Connect With Our Engineering Division
Aerial view of DERCHI 180,000 square meter doors and windows production base in Foshan

One-Stop Sourcing

Consolidate your exterior entry systems, curtain walls, interior wood-metal composite doors, and garage doors into a single containerized shipment.

Third-Party Tested

Every product batch undergoes factory air-water tightness testing, coating thickness checks, and thermal imaging before container loading.

Custom Profiles

Custom dimensions, architectural RAL powder coatings, anodized architectural patinas, and oversized pivot leafs up to 4,000mm in height.

Safe Export Crating

Protected with multi-layered protective films, corner guards, moisture desiccants, and reinforced non-fumigation steel-banded timber crates.

Direct Clarifications

Frequently Asked Questions on Aluminum Fenestration Procurement

Technical responses regarding certification processes, thermal performance calculations, structural engineering parameters, and sea-freight logistics.

How does DERCHI verify CE compliance under EN 14351-1?

Our fenestration series undergo Initial Type Testing (ITT) in accordance with EN 14351-1:2006+A2:2016 through accredited Notified Bodies. Each export shipment includes a Factory Production Control (FPC) audit log and project Declaration of Performance (DoP), detailing exact structural wind load ratings, water resistance, and calculated whole-system thermal metrics.

How are whole-window U-values ($U_w$) calculated for projects?

We calculate overall thermal transmittance using the ISO 10077-1 framework: $U_w = \frac{\sum A_g U_g + \sum A_f U_f + \sum l_g \Psi_g}{\sum A_g + \sum A_f}$. Our engineers analyze your specified window dimensions, frame-to-glass ratio ($A_f/A_g$), double or triple low-e glazing setups, and warm-edge spacer values ($\Psi_g$) to provide certified thermal reports for local building control.

What powder coating finishes are used for coastal projects?

For projects located within 3 kilometers of open sea, we use Qualicoat Seaside-class pre-treatment combined with AkzoNobel Interpon D2525 or PPG fluoropolymer powder systems. This architectural finish guarantees a film thickness of 60–80 microns, providing proven resistance to filiform corrosion and salt spray exposure exceeding 3,000 hours under ASTM B117 standards.

Can DERCHI integrate European hardware brands like Siegenia or Roto?

Yes. Our structural aluminum extrusion dies incorporate standard European-groove (Euro-Groove Type 1 and Type 2) geometries. We routinely integrate hardware packages from European suppliers such as Siegenia, Roto Frank, Hoppe, GU, and Sobinco, ensuring long-term access to replacement components in destination markets.

How do you prevent glass transit damage on overseas shipments?

Glazed products are fitted with protective polyethylene adhesive wrap and vulcanized rubber corner protectors. The assemblies are then housed in custom fumigation-free engineered timber cases. Within each crate, units are separated by high-density EVA foam blocks and banded to prevent internal movement during ocean transit.

What is the standard production timeline and sample process?

Custom shop drawings (CAD/BIM) are typically provided within 48 to 72 hours from your door schedule. Physical finish chips and corner corner samples can be air-couriered within 5 working days. Full project fabrication generally ranges between 25 and 35 calendar days following drawing sign-off and finish confirmation.

Engineered to Your Exact Schedule

Bring Precision Fenestration to Your Architectural Project

Send us your bill of quantities (BOQ), door/window schedule, or architectural drawings. Our technical engineers will review your files and provide CAD details, structural metrics, and factory-direct pricing.

Typical response time: Within 12 hours including complete preliminary CAD shop reviews.