Verified Testing & International Compliance
As modern building envelopes face escalating thermal extremes and environmental loads, commercial developers require fenestration engineering that goes beyond basic visual appeal. At Guangdong Dejiyoupin Doors and Windows Co., Ltd., our aluminum sliding windows are developed with an uncompromising zero-error tolerance model. Utilizing primary 6063-T5 and 6063-T6 alloy extrusions, our products combine structural longevity with fluid, near-frictionless gliding mechanisms designed for high-cycle usage.
Engineered with uniform wall thicknesses ranging from 1.4mm to 2.2mm, exceeding international architectural standards to resist sash racking and wind deflection under sustained pressure.
Reinforced glass-fiber insulating struts mechanically rolled into split aluminum profiles to eradicate interior thermal bridging and lower commercial HVAC running expenditures.
Equipped with our patented Four-Side Six-Point locking systems, transforming traditionally vulnerable sliding tracks into high-security architectural barriers against forced entry.
From architectural shop drawings through high-volume profile fabrication, Guangdong Dejiyoupin Doors and Windows Co., Ltd. provides real industrial scale and strict quality control certified by major international standards bodies.
Smart Factory Footprint
Annual Production Capacity
Patents & Innovations
Skilled Technicians & Staff
Discover specialized sliding configurations customized for residential high-rises, coastal beachfront properties, and commercial complexes.
Engineered for regions demanding high energy conservation and sound isolation. Utilizing dual PA66 insulation strips and insulated double glazing (5mm + 12A + 5mm or 6mm + 16A + 6mm Low-E), these windows lower the overall Heat Gain Coefficient (SHGC) while achieving acoustic attenuation up to 38 dB.
Designed for multi-family residential estates and tropical environments prone to insects and forced entry risks. A heavy-duty triple extrusion integrates a smooth-gliding glass sash, an exterior flyscreen, and an optional 0.8mm high-tensile 304/316 marine-grade stainless steel security diamond mesh.
Sightlines as narrow as 20mm at the meeting stile provide expansive daylight transmittance and sweeping panoramic views while preserving full hurricane-rated structural integrity.
Equipped with specialized compression lifting gears that raise the sash off the seals during glide, then lower and compress EPDM gaskets when closed for impenetrable water tightness.
How strict carbon benchmarks, smart architectural hardware, and supply chain rationalization are transforming procurement decisions worldwide.
Global developers are mandating certified low-carbon green aluminum billets produced with clean hydroelectric power. Sourcing profiles with embodied carbon below 4.0 kg CO2/kg aluminum is fast becoming a standard tender requirement.
Decarbonization MandateSmart buildings demand concealed electric drive actuators integrated into sliding sashes. Windows connect to Building Automation Systems (BAS) for natural smoke clearance, night cooling cycles, and automated storm closures.
Smart AutomationWith massive urban expansion across coastal metropolitan regions, procurement specifications favor 3-coat fluoropolymer (PVDF) and AAMA 2605 powder coatings capable of resisting extreme salt fog and high UV-index exposure.
AAMA 2605 DurabilityStandard clear glazing is being replaced by triple-silver soft-coat Low-E and acoustic PVB laminated glass. High-density commercial corridors require acoustic reduction index ratings of Rw 40 dB+ to protect indoor comfort.
Rw 40+ Acoustic EnvelopeTo eliminate interior water ingress under tropical typhoon conditions, progressive procurement focuses on non-return valve sub-sills that expel torrential water while resisting positive static air pressure backdrafts.
Pressure EqualizationContractors avoid on-site assembly errors by procuring fully glazed, pre-squared modular units shipped in floor-by-floor container batches, saving up to 40% on localized jobsite labor costs.
Prefab Modular Efficiency| Technical Parameter | Standard Commercial Sliding Window | DERCHI High-Performance Sliding Window | Architectural Performance Standard |
|---|---|---|---|
| Aluminum Profile Alloy & Temper | 6063-T5 Recycled Blend (1.2mm wall) | Virgin Billet 6063-T6 / 6060-T66 (1.6 - 2.2mm) | GB 5237 / ASTM B221 Architectural Class |
| Thermal Separation | None (Cold Bridge Monolithic) | Polyamide PA66 GF25 Strip (24mm - 34mm) | AAMA 1503 / NFRC 100 Thermal Break |
| Overall U-Value (Thermal Transmittance) | 3.8 - 4.5 W/(m²·K) | 1.4 - 1.8 W/(m²·K) (Low-E + Argon Double IGU) | EN ISO 10077-1 / Energy Star Compliant |
| Air Permeability / Infiltration | Class 2 (0.34 m³/(h·m) at 100 Pa) | Class 4 (≤ 0.05 m³/(h·m) Continuous EPDM) | EN 12207 / AS 2047 Class 4 |
| Water Penetration Resistance | 200 Pa to 300 Pa | 600 Pa to 900 Pa (Stepped Drain Chamber) | ASTM E331 / EN 12208 Class 9A |
| Structural Wind Load (Serviceability) | 1.5 kPa (Approx. 110 km/h) | Up to 4.5 kPa (Hurricane Rated Interlocks) | ASTM E330 / AS/NZS 1170.2 Cycle Tested |
| Acoustic Transmission Class (Rw / STC) | Rw 25 - 28 dB | Rw 38 - 42 dB (Laminated Acoustic PVB) | ISO 717-1 / ASTM E413 Acoustic Class |
| Roller Durability & Bearing Track | Nylon roller on aluminum track (15,000 cycles) | CNC 304 Stainless Double-Tandem (100,000 cycles) | AAMA 906 Hardware Longevity Test |
Every order manufactured by Guangdong Dejiyoupin Doors and Windows Co., Ltd. can be custom-tested to the designated building codes and wind pressures of your specific job site.
Watch Factory Facility Over 25 years of specialized fenestration manufacturing experience gives us the technical depth needed to execute complex custom projects without site failures. Certified as a "China Famous Brand" by Xinhua News Agency, we manage every phase under rigorous European and American testing protocols.
From prestigious multi-unit towers to luxury tropical estates, our aluminum sliding window systems perform reliably under intense winds, heat, and seasonal storms.
For international buyers, transparency and dimensional accuracy are everything. Here is how Guangdong Dejiyoupin Doors and Windows Co., Ltd. guarantees zero site errors.
Engineers evaluate structural opening dimensions, wind load ratings, and water runoff requirements.
Finite element stress analysis verifies structural deflection ratios and determines thermal barrier dimensions.
Comprehensive submittal sheets with glass performance values, seal types, and anchor schedules are submitted for architect signoff.
Handle mechanisms, concealed rollers, surface finishes, and mesh gauges are formally confirmed.
Fabrication instructions transfer via ERP directly to automated computerized profile saws and CNC mills.
Digital calipers inspect frame miters and diagonal variance within ±0.5mm tolerances prior to corner crimping.
100% sliding track cycle testing, perimeter seal continuity checks, and batch water spraying tests before packaging.
Enclosed plywood crating with container floor tags plus complete step-by-step digital installation video guidance.
Our aluminum sliding window assemblies undergo full third-party physical testing according to European, North American, and Australasian engineering criteria.
Air-water-wind conformity for EU structural building products
Thermal transmittance (U-factor) and SHGC ratings
Structural deflection and water penetration testing for Australia & NZ
Certified impact and durability testing for commercial installations
End-to-end audited zero-defect manufacturing operations
Large missile impact and cyclic pressure test certified
Independent multi-point locks and multi-tier water channel designs
Official "China Famous Brand" honor recipient
Long-distance maritime freight demands heavy-duty protective packaging. Every shipment leaves our Foshan headquarters packed to arrive in pristine condition.
High-adhesion peel-off surface films, high-density edge foam, desiccant packs, and steel-banded ISPM-15 fumigated plywood cases.
Windows, custom sliding doors, and matching sunrooms bundled logically by building elevation to speed site unpacking.
Full support for commercial invoices, packing schedules, ocean bills of lading, Form M, SONCAP, and international compliance paperwork.
Shop drawings, exploded installation diagrams, and remote engineering troubleshooting via video conference throughout framing.
Authoritative technical guidance compiled by senior fenestration engineers to resolve common design and procurement doubts.
Contact the engineering department of Guangdong Dejiyoupin Doors and Windows Co., Ltd. for direct structural calculations, profile samples, and turnkey container pricing.