Direct Factory Catalog
Engineered Fenestration Systems & Project Assemblies
Examine our precision-fabricated portfolio of aluminum double glazed window systems, impact patio doors, and custom sunroom structural kits compliant with worldwide fenestration standards.
180,000㎡
Modern Manufacturing Base
25+
Years Engineering Expertise
100+
Global Patents & Certifications
80 PSF
NOA Hurricane Structural Rating
Engineering Authority
The Anatomy of High-Performance Double Glazed Fenestration
In modern architectural engineering, an aluminum window is no longer just an aesthetic envelope component; it is an integrated thermal and mechanical barrier. Contemporary building codes demand stringent overall Heat Transfer Coefficients (U-factors) and Solar Heat Gain Coefficients (SHGC) alongside structural wind resistance.
Our OEM/ODM manufacturing facility integrates multi-cavity architectural aluminum extrusions (6063-T5/T6 alloy) engineered with polyamide 6.6 glass fiber reinforced thermal break strips (PA66 GF25). This physical separation blocks conduction pathways, eliminating internal condensation and dramatically reducing building HVAC energy loss.
- Multi-Cavity Extrusion Profiles: Wall thicknesses ranging from 1.4mm to 3.0mm compliant with high-wind structural calculations.
- Dual & Triple Pane Configurations: 5mm+12A/20A+5mm tempered safety glass filled with 90%+ Argon gas for superior insulation.
- Hermetic Secondary Sealing: Polyisobutylene primary seal with structural silicone secondary sealant preventing desiccant degradation.
Technical Matrix
B2B Comparative Fenestration Specification
Engineering parameter comparison across architectural glazing product categories for project contractors, builders, and developers.
| Product Typology | Profile Alloy & Break | Glazing Makeup | Thermal Metric (U-Value) | Acoustic Rating (STC) | Structural Wind Load |
|---|---|---|---|---|---|
| Thermal Break Casement | 6063-T6 / 24mm PA66 | 5mm Low-E + 16Ar + 5mm Clr | 1.6 – 1.8 W/m²·K | 38 – 42 dB | 4500 Pa (Serviceability) |
| NOA Hurricane Sliding Door | 6063-T5 / Heavy Wall 2.0-3.0mm | 6mm Clr + 1.52PVB/SGP + 6mm Tint | 2.2 – 2.6 W/m²·K | 36 – 40 dB | 80 PSF (+/- 3830 Pa) |
| Alu-Clad Wood Casement | T6 Extruded Alu + White Oak/Pine | 6mm Low-E + 12Ar + 6mm Clr | 1.3 – 1.5 W/m²·K | 40 – 44 dB | 3000 Pa |
| Frameless Corner Fixed System | Structural Sub-Sill Channel | 8mm Toughened + 16Ar + 8mm Low-E | 1.5 – 1.7 W/m²·K | 39 – 43 dB | 4000 Pa |
| Triple-Pane Acoustic Fixed | 6063-T5 Multi-Chamber | 5mm + 9Ar + 5mm + 9Ar + 5mm | 0.9 – 1.2 W/m²·K | 45 – 48 dB | 5000 Pa |
Strategic Foresight
Future Procurement & Manufacturing Trends (2025–2030)
How evolving carbon mandates, climate extremes, and architectural preferences are reshaping bulk window supply chains.
Near-Zero Energy Buildings (NZEB) & Passivhaus Demand
International building regulations across Europe, North America, and developed Asian sectors increasingly enforce whole-window U-values under 1.1 W/m²·K. This drives OEM demand for wider composite thermal barriers (34mm+), warm-edge structural foam spacers, and krypton/argon dual-injected configurations to curb building lifetime carbon footprint.
Extreme Weather & Storm Resilience Engineering
Due to the intensification of tropical cyclones across coastal regions, standard fenestration is rapidly replaced by large missile impact certified assemblies (such as Florida Miami-Dade NOA and Australian AS 2047 N6). Fabricators must implement SentryGlas® (SGP) ionoplast interlayers and reinforced corner brackets capable of withstanding cyclic wind pressures surpassing 80 PSF.
Minimalist Sightlines with Structural Glass Integration
Architects are driving demand for concealed sashes, zero-threshold tracks, and flush frameless corners. Engineering responsibility shifts to structural glazing adhesives and motorized concealed multipoint mechanisms. OEM suppliers capable of pre-assembling oversized glazed panoramic units lower on-site installation labor and glazing failure risks.
Manufacturing Capabilities
DERCHI Enterprise Advantages: Proven Factory Superiority
Recognized among China’s Top 10 fenestration systems manufacturers, Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) combines industrial scale with precision fabrication.
180,000㎡ Production Base
Located in Foshan, Guangdong, our intelligent machining park houses robotic CNC cutting centers, automated double glazing lines, and powder-coating systems operated by over 600 skilled personnel.
Rigorous Global Certification
Fully certified in ISO 9001, European CE, Australian AS 2047 N6, and UL fire standards. Products undergo cyclic load, air permeability, and hydro-static chamber pressure tests prior to shipment.
Complimentary Engineering CAD/BIM
From shop drawing conversions to structural calculation submittals, our 25+ years R&D engineering department delivers tailor-made CAD schedules and glass thickness calculations for contractor tenders.
GMT+8 Responsive Support
Dedicated English-fluent engineering sales managers operate seamlessly within the GMT+8 time zone, guaranteeing real-time technical coordination, fast quotation cycles, and direct South China export logistics.
Quality Assurance Protocol
Zero-Defect Fenestration Export Quality Standards
International architectural shipments demand flawless packaging and verifiable quality control. Our ISO 9001 audited production system inspects raw alloy billet chemistry, anodizing/fluorocarbon coating micron thickness, and insulating glass unit (IGU) dew point consistency.
Every window assembly undergoes frame diagonal tolerance checks within ±1.0mm, corner crimping hydraulic pull verification, and water penetration spray testing up to 700 Pa before packaging in five-tier protective film, fumigated solid timber crates, and steel pallet reinforcement.
- Surface Finish Durability: AkzoNobel® powder coating and Qualicoat-certified PVDF fluorocarbon finishes resisting UV degradation and coastal salt fog.
- Premium Mechanical Hardware: Fitted with German Siegenia, HOPPE, or high-tier custom multi-point locks tested to 50,000 operational cycles.
Procurement Intelligence
Frequently Asked Questions for B2B Window Importers
Detailed technical and commercial answers addressing common engineering concerns for overseas developers, distributors, and general contractors.
Q How does DERCHI ensure thermal break stability under tropical and sub-zero conditions?
We utilize certified Polyamide PA66 reinforced with 25% glass fiber (PA66 GF25) rather than cheap PVC composites. PA66 GF25 shares almost identical thermal expansion coefficients with aluminum (2.4 x 10^-5 1/K), preventing internal stress, profile warping, or air leakage over continuous temperature fluctuations from -35°C up to +80°C.
Q Can you provide custom structural calculations for regional building code permits?
Yes. Our in-house engineering team calculates wind load resistance, deflection ratios (L/175 or L/250 according to ASTM/AS standards), glass center-of-glass stress, and corner crimp rigidity based on your specific building height, exposure category, and geographic zone. We supply stamped shop drawings to facilitate municipal approvals.
Q What is the standard factory lead time for custom OEM/ODM fenestration projects?
For standard architectural profiles with RAL color selections, manufacturing takes approximately 25 to 35 working days post-final CAD shop drawing approval. For complex bespoke extrusion dies or specialized ceramic frit and tinted glass combinations, lead time runs between 35 and 45 days. Rapid container consolidation from Foshan ports ensures direct transit.
Q How do you prevent seal failure and fogging in double glazed insulating glass units?
We implement a dual-barrier hermetic seal system. The primary seal is automated polyisobutylene (PIB), which provides outstanding vapor and gas impermeability. The secondary seal uses high-modulus silicone or structural polysulfide. Desiccant molecular sieves (3A) fill the continuous warm-edge or anodized aluminum spacer tubes, maintaining internal dew points below -40°C.
Q What export packaging protocols are followed to eliminate sea freight glass breakage?
Every sash and frame is separately protected with protective PE film, corner foam protectors, and bubble wrap. Assembled windows or knock-down (KD) frames are packed into fully enclosed fumigated plywood crates (non-coniferous, compliant with ISPM 15 standards) with integrated nylon lifting straps and desiccant bags to prevent moisture damage during transoceanic shipping.
Q What minimum order quantity (MOQ) applies to custom commercial window batches?
For standard extrusion dies and standard powder coat finishes, our flexible OEM line supports batch orders as low as 50 square meters, making it ideal for luxury private villas and boutique resort developments. For custom profile extrusions requiring custom tooling dies, the base minimum extrusion quantity starts at 500 kilograms per profile section.