China Top Aluminium Double Glazed Windows Manufacturer & Factories

Engineering high-performance thermal-break fenestration systems, architectural curtain walls, and hurricane-rated glazing with certified European & North American standard compliance.

180,000 ㎡
Intelligent Manufacturing Base
600+ Staff
Senior Façade Engineers & Masters
100+ Patents
Thermal Break & Acoustic Designs
AS2047 / CE
NFRC, CSA & ISO9001 Certified
Precision Engineered Fenestration

Featured Aluminium Double & Triple Glazed Fenestration Systems

Engineered by Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI), our architectural product lineup couples thermal broken primary aluminium billet (6063-T5/T6) with warm-edge insulated glass units. Explore our eight benchmark systems tailored for residential developments, coastal villas, and high-specification commercial towers.

Engineering Whitepaper & Technical Breakdown

Anatomy of Commercial-Grade Aluminium Double Glazing

Procuring directly from tier-one Chinese factories requires understanding beyond surface aesthetics. True thermodynamic efficiency, structural endurance, and acoustic insulation rely on the synergy of five core engineering domains.

1. Polyamide PA66 GF25 Thermal Breaks

Standard uninsulated aluminium profiles have a thermal conductivity of ~160 W/m·K. DERCHI incorporates 24mm to 34mm precision-extruded Technoform PA66 polyamide insulating bars reinforced with 25% glass fiber, matching the thermal expansion coefficient of aluminium to prevent delamination while reducing frame U-values (Uf) down to 1.3 W/m²K.

Metric: Eliminates internal surface condensation down to -25°C

2. Gas-Filled IGUs & Warm-Edge Spacers

Our insulated glass units (IGU) feature dual-sealed edge barriers comprising polyisobutylene primary sealant and structural silicone secondary sealant. Spacers utilize stainless steel or composite warm-edge technology rather than conductive raw aluminium, flooded with 90%+ Argon gas concentration to slash conductive and convective core losses.

Sound Transmission Class: Up to STC 42 acoustic reduction

3. Tri-Seal Continuous EPDM Weatherstripping

Air infiltration accounts for over 35% of building envelope HVAC thermal loss. We deploy closed-cell vulcanized automotive-grade EPDM (Ethylene Propylene Diene Monomer) triple-gasket systems with vulcanized corner joints. This continuous isobaric compression principle prevents water ingress even under 700 Pa dynamic driving-rain conditions.

Certification Standard: ASTM E283 & AS2047 Air Tightness Class
DERCHI Guangdong Modern Smart Manufacturing Plant
Foshan Smart Manufacturing Complex

Guangdong Dejiyoupin Doors and Windows Co., Ltd. — 180,000 ㎡ Automated Extrusion & Glazing Center

Enterprise Foundation

Guangdong Dejiyoupin (DERCHI): 25+ Years of Export Authority

Recognized among the Top 10 fenestration and door engineering brands in China, DERCHI operates one of the most comprehensive architectural facade manufacturing centers in Shishan Town, Foshan. With more than 600 full-time specialists and over 100 patents, our facility integrates high-precision 5-axis CNC machining centers, automated insulating glass production lines, and robotic electrostatic powder coating bays.

Unlike fragmented regional brokers, DERCHI provides a single, accountable source from structural calculations and free CAD/BIM shop drawings to seaworthy crating and destination-specific compliance documents (including SONCAP, KEBS PVoC, SASO, and Australian AS2047 certifications).

AS2047 N6 Ultimate Wind Pressure Passed
CE / EN EN 14351-1 European Conformity
CSA / NFRC North American Energy Verified
ISO9001 TUV & SGS Quality Managed
Market Foresight & Specifier Intelligence

Future Procurement Trends in Aluminium Double Glazing (2025–2030)

As municipal building energy codes harden across the Americas, the European Union, Australia, and rapidly modernizing African metros, window specifications are experiencing seismic architectural and metallurgical shifts.

01

Ultra-Narrow Sightlines & Structural Bonding

Architectural demand has decisively pivoted toward minimalist frames with sightlines under 30mm. Achieving this requires structural silicone bonding of the IGU to the sash, turning the double-glazed unit into a primary load-bearing structural diaphragm against extreme wind suction.

02

Embodied Carbon & Recycled Billets

Institutional real estate investors increasingly enforce strict Scope 3 ESG thresholds. Leading Chinese tier-1 factories are shifting from fossil-smelted aluminium to hydro-powered, low-carbon certified aluminium profiles utilizing up to 75% recycled scrap metal content.

03

Vacuum-Insulated Glass (VIG) Hybrids

While triple glazing increases frame depth and hardware load, hybrid double-glazed configurations integrating one Vacuum-Insulated Glass (VIG) pane are emerging. This delivers Centre-of-Glass U-values as low as 0.45 W/m²K inside a slim 28mm overall glazing profile.

04

Integrated Micro-Electronics & Smart IoT

Procurement packages increasingly mandate concealed hardware: motorized magnetic-levitation sliding operators, electronic multipoint perimeter latching, and integrated electrochromic dynamic solar shading managed via BACnet or home automation platforms.

Procurement Specification Matrix

Glazing Configuration Guide for Global Climatic Zones

Selecting the ideal double glazed aluminium window requires calibrating the Solar Heat Gain Coefficient (SHGC), U-value, and frame alloy against your target microclimate.

Target Region Recommended System Glass Configuration (IGU) Target U-Value (Uw) Hardware & Surface Finish
Coastal Tropics
(Lagos, Miami, Mombasa)		 RG100 Thermal Break Sliding & Casement 6mm Low-E Clear + 12Ar + 6mm Toughened Sentry Laminated ≤ 1.8 W/m²K (SHGC ≤ 0.28) Fluorocarbon (PVDF) 3-Coat or Marine-grade AAMA 2605 Powder; 316 SS Hardware
Cold / Continental
(Canada, North EU, Mid-West US)		 Heavy-Duty Tilt & Turn System (80mm Frame) 5mm Triple Silver Low-E + 16Ar + 5mm Low-Iron Clear ≤ 1.1 W/m²K (SHGC 0.40–0.50) German Siegenia / Roto Concealed Multi-Point Locks; Class 1 Anodized / Powder Coated
High Altitude & Arid
(Nairobi, Riyadh, Denver)		 Thermally Broken 65 Casement with Dual EPDM 6mm Reflective Solar-Control + 12Air + 6mm Low-E with Capillary Breather Tubes ≤ 1.5 W/m²K (SHGC ≤ 0.24) Heavy-duty 4-bar friction hinges; UV-stabilized Qualicoat powder finish
Urban High-Density Metros
(Acoustic Corridor Focus)		 Asymmetric Double Glazed Acoustic Casement 8.76mm Soundproof Acoustic PVB Laminated + 14Ar + 6mm Toughened ≤ 1.6 W/m²K (Rw/STC ≥ 44dB) Multi-point shoot-bolt perimeter lock with double compression corner seals
Knowledge Base

Frequently Asked Questions

Everything foreign developers, architects, and quantity surveyors need to know when ordering aluminium double glazed windows direct from China factories.

Send an Inquiry
How does DERCHI verify thermal insulation and avoid thermal bridging in custom profiles?
We employ German-engineered Polyamide (PA66 GF25) mechanical knurling and rolling assembly technology. Before serial extrusion, every profile system undergo finite element thermal simulation in LBNL THERM software to ensure the isothermal lines run continuously without thermal short-circuits. Complete window prototypes are tested under ASTM C1363 guarded hot box conditions to verify that overall heat transfer rates (Uw) match simulation models.
What are the differences between 6063-T5 and 6063-T6 primary aluminium billets?
6063 aluminium is the premier architectural fenestration alloy due to its superior surface finish and extrusion stability. T5 temper is artificially aged after profile extrusion, achieving a Webster hardness of ≥8–10 HW (tensile strength ~160 MPa), ideal for residential frames. T6 temper undergoes a more rigorous solution heat treatment and artificial aging, achieving a Webster hardness of ≥12–14 HW (tensile strength ~205+ MPa), required for commercial curtain wall transoms, large-span pivot doors, and high-windload coastal high-rises.
How are insulated glass units (IGU) protected against altitude pressure shifts during shipping?
When IGUs are manufactured in sea-level Foshan and shipped across mountainous regions (e.g., Nairobi, Johannesburg, or Denver), atmospheric pressure differentials can cause double-glazed panes to dish inward or bulge outward, risking edge seal failure. DERCHI fits stainless steel capillary tubes (breather tubes) to equalise pressures during oceanic and high-altitude transport, which are then crimped and hermetically sealed according to strict site installation protocols.
Can DERCHI provide compliance documentation for local municipal building inspections?
Yes. We regularly supply certified test dossiers for projects worldwide. This includes Australian AS2047 and AS1288 cyclone reports, American NFRC thermal ratings and AAMA structural test certs, Canadian CSA listings, and European CE declarations of performance (DoP). Furthermore, our export team arranges pre-shipment inspection certificates required by national inspection programs such as SONCAP (Nigeria), KEBS PVoC (Kenya), and NRCS (South Africa).
How does the factory prevent scratching and glass breakage during 30–45 day sea transit?
Every window sash and frame is wrapped in a 5-layer protective system: low-tack protective film on all exposed aluminium surfaces, corner edge protectors, shock-absorbing pearl foam wrap, heavy-duty corrugated cartons, and IPPC-stamped ISPM-15 compliant fully enclosed fumigated plywood crates. Desiccant sachets are placed inside crate envelopes to prevent moisture staining in tropical maritime shipping corridors.
What engineering information is required to initiate a preliminary quotation and shop drawings?
To deliver an accurate specification and preliminary bill of quantities (BOQ), please provide your window schedule with opening dimensions (Width × Height in mm), structural opening wall build-up (concrete masonry, steel frame, or timber stud), preferred opening style (sliding, tilt-turn, casement, fixed), local design wind load (or project location), and target glass performance (acoustics, U-value, or tinting). Our bilingual engineering team returns complete proposal sets and CAD shop drawings within 24 to 48 hours.
Direct Manufacturer Partnership

Accelerate Your Project with Certified Chinese Fenestration

Eliminate intermediary markups while gaining full direct access to our 180,000 ㎡ manufacturing floor, custom extrusion dies, and licensed facade structural engineers. Connect directly with our team for free project take-offs, custom sample deliveries, and full CAD shop drawing support.