Explore our flagship, CE-compliant aluminum window and door systems designed for optimal thermal insulation, structural integrity, and architectural aesthetic flexibility.
OUNA Transparent Folding Door Bi-Fold Sliding Door Invisible Windproof Partition for Bathroom Air Conditioner Insulation
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OUNA Kitchen Friendly Aluminum Folding Window Provides Flexible Ventilation While Cooking Space Saving Vertical Fold Design
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OUNA American Thermal Break Aluminum BiFold Window for Exterior Garden and Patio Energy Efficient Design with Custom Sizes
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OUNA Electric Automatic Aluminum Skylight Roof Window Large Size Panoramic View Double Glazed Tempered Glass and Remote Control
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OUNA Thermal Break Aluminum Skylight for Flat Roof Double Glazed Low E Glass Energy Saving Condensation Prevention Modern Design
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OUNA Modern Luxury Aluminum Frameless Glass Garage Door Full View Tempered Glass Automatic Electric for Villa and Residence
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OUNA Customized Aluminum Sliding Window Double Tempered Glass Thermal Break Energy Efficient Soundproof NFRC AS2047 Certified
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OUNA Sliding Window Hurricane Impact Proof Aluminum Energy Efficient NFRC AS2047 Glass Double Glass Aluminum Window
View SpecificationsGuangzhou Cresta Door & Window Co., Ltd. delivers institutional-grade aluminum fenestration solutions backed by industrial automation, rigorous quality assurance, and international export expertise.
Established in 2015, Guangzhou Cresta Door & Window Co., Ltd. operates an advanced 18,000-square-meter manufacturing facility. Backed by 11 years of deep industry experience and 7 years of seamless international trade operations, we achieve an annual export turnover of $22 million across key global markets including Southeast Asia, the Middle East, and Oceania. We primarily serve custom home builders, commercial renovation contractors, and regional architectural window wholesalers who demand uncompromising structural performance and certified compliance.
To ensure top-tier craftsmanship across all OEM/ODM project lines, our dedicated team of 30 Quality Control (QC) inspectors strictly enforces ISO-certified optical surface inspections and weatherproofing hydraulic seal testing. Supported by a robust network of 550 upstream raw material suppliers, Cresta excels in engineering tailored solutions—such as specialized custom acoustic insulation glass units, motorized integrated insect screening systems, and ultra-slim profile sliding systems. With an active Research & Development division of 35 specialized mechanical and fenestration engineers, we successfully commercialized 38 new innovative product series over the past fiscal year alone.
An executive analysis of global fenestration requirements, regulatory mandates, energy performance dynamics, and structural mechanics driving modern window architecture.
Global energy codes, such as the European Union’s Energy Performance of Buildings Directive (EPBD) and North American ASHRAE 90.1, mandate strict envelope thermal coefficient thresholds. Our engineered polyamide (PA66GF25) structural thermal breaks reduce framing U-values down to ≤ 1.3 W/m²K, minimizing thermal bridging, HVAC load profile strain, and building operational carbon footprints.
Urban density requires elevated sound transmission loss. Utilizing asymmetrical double and triple-glazed Low-E glass combinations with acoustic PVB interlayers, Cresta Tilt & Turn assemblies achieve Sound Transmission Class (STC) ratings up to 45 dB, isolating interior spaces from high-decibel environmental noise such as highway traffic and industrial zones.
Designed for high-rise commercial structures and coastal hurricane vectors, our extruded 6063-T6 aluminum profile systems withstand ultimate wind pressure loads exceeding 5000 Pa (equivalent to Category 5 hurricanes). EPDM multi-chamber gaskets ensure zero water penetration under dynamic pressure testing per EN 12208 specifications.
| Performance Parameter | Testing / Compliance Standard | Cresta Technical Specification | Architectural Benefit |
|---|---|---|---|
| Thermal Transmittance (Uw) | EN ISO 10077-2 / NFRC 100 | 0.8 to 1.4 W/m²K (Depending on Glazing Configuration) | Passive house compliance & substantial HVAC operational cost reduction. |
| Air Infiltration Rating | EN 12207 (Class 4) / ASTM E283 | ≤ 0.1 m³/(h·m²) at test pressure 600 Pa | Eliminates structural drafts and maintains controlled indoor air quality. |
| Water Tightness | EN 12208 (Class E1050) / ASTM E331 | No leakage up to 1050 Pa static pressure differential | Prevents moisture damage during intense driving rain conditions. |
| Wind Load Resistance | EN 12210 (Class C5) / ASTM E330 | Design pressure ± 3000 Pa; Safety test ± 4500 Pa | Guarantees structural envelope integrity on high-rise facades. |
| Acoustic Performance | EN ISO 717-1 / ASTM E90 | Rw (C; Ctr) = 42 (-1; -4) dB (with laminated acoustic glass) | Superior sound isolation for urban luxury developments and medical facilities. |
| Forced Entry / Security | EN 1627 (RC2 / RC3 Rating) | Multi-point peripheral mushroom head locking hardware | Protects against intrusion attempts without aesthetic sacrifice. |
From raw alloy profile receipt to automated CNC machining, assembly line frame setting, and final optical inspection, explore Cresta's 18,000 m² state-of-the-art production workflow.
Cresta products undergo rigorous third-party auditing to achieve certification under international architectural and structural codes across European, North American, Oceanian, and Middle Eastern markets.
Mandatory CE Marking under the Construction Products Regulation (CPR 305/2011). Fully verified for load-bearing capacity, dangerous substance neutrality, watertightness, air permeability, and thermal insulation coefficients (EN ISO 10077).
Certified by the National Fenestration Rating Council (NFRC) for validated SHGC and U-factor ratings. Engineered to satisfy structural air, water, and structural performance requirements dictated by NAFS (North American Fenestration Standard).
Complying with Australian Standard AS2047 (Windows and External Glazed Doors in Buildings) and AS1288 (Glass in Buildings). Tested under high wind-loading conditions and evaluated via the Window Energy Rating Scheme (WERS).
Discover how Cresta's R&D division is advancing intelligent fenestration through IoT automation, micro-ventilation, and sustainable material circularity.
Integration of hidden motor drives and chain actuators capable of interfacing with KNX, BACnet, and smart home automation platforms. Allows automated nocturnal cooling cycles, rain-sensor closure, and remote tilt management via smartphone apps.
Pioneering ultra-thin 0.2mm high-vacuum gap glazing technologies that deliver U-values as low as 0.40 W/m²K—matching standard solid brick walls—while drastically reducing total frame profile depth and weight loading.
Transitioning our extrusion lines to Hydro CIRCAL and certified recycled aluminum billets manufactured using renewable hydro-electric energy, cutting embodied carbon emissions down to < 4.0 kg CO2 per kg of aluminum extruded.
Answers to common structural, technical compliance, and procurement queries posed by commercial contractors, architects, and importers.
Discover our extended line of high-performance architectural doors, soundproof windows, and specialized interior partitions engineered for modern commercial and luxury residential projects.
OUNA Modern Design Smart Vertical Automatic Sliding Windows Tempered Glass Aluminum Glass Electric Lift up Window for Houses
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OUNA Customized Interior Patio Double Glazed Aluminium Wooden Door Sliding Doors High Sliding Glass Door
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OUNA All-Aluminum Simple Bedroom Wooden Door Interior Soundproof and Moisture-Proof Aluminum Honeycomb Set Pure Aluminum Door
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OUNA NFRC CSA Certificates Swing Casement Window Hurricane Impact Proof Thermal Break Double Glazed Aluminum Windows With Screen
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OUNA Slim Frame Aluminum French Doors in Crittall Style Modern Minimalist Design for Office and Hotel Interior Custom Sizes
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OUNA Contemporary Aluminum Exterior Doors Residential Exterior Entry Doors Main Door CE ISO NFRC Certified
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OUNA Soundproof Aluminum Folding Window for Bedroom Creates a Quiet and Peaceful Sleep Environment with Double Glazed Glass
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OUNA Professional Aluminum Fixed Window Manufacturer Thermal Break Design for High Rise Building With CE Certification
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Cresta Window Tech