Engineered to meet rigorous global building codes including NFRC, CE, CSA, and AS2047 certification standards.
OUNA AS2047 Modern Slim Aluminum Double Glazed Tempered Glass Balcony Sliding Door Energy Saving Sliding Patio Doors
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OUNA Triple Glazed Casement windows Hurricane Impact Proof Aluminum windows with Mosquito Net Double Tempered Glass Window
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OUNA Transparent Folding Door Bi-Fold Sliding Door Invisible Windproof Partition for Bathroom Air Conditioner Insulation
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OUNA Luxury Aluminum Wood Composite Door for Villa and Apartment Project Custom Modern and Classic Styles
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OUNA Eco Friendly Aluminum Clad Wood Door for Interior Use With Premium Finish Custom Color Available Factory Direct Price
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OUNA 2025 Hot Sale Double Glazed Sliding Windows NFRC CSA Low-E Glass Aluminum Sliding Window Slide Window With Mosquito Net
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OUNA Germany Project Engineering Ce Certified Aluminum Window Tempered Glass Entry Door Energy Efficient Picture Other Windows
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OUNA Heavy Duty Aluminum Alloy French Glass Windproof Commercial Storefront Entry Door for Hotels & Malls
View Specifications & OEM Direct QuoteAnalyzing thermal optimization, passive ventilation efficiency, and structural envelope integration in modern commercial and residential construction.
In contemporary architectural engineering, aluminum louver window systems have transitioned from mere aesthetic shading facades to high-performance dynamic building envelope components. Modern sustainable architecture mandates rigorous indoor air quality (IAQ), passive cooling mechanisms, solar heat gain coefficient (SHGC) control, and acoustic damping without compromising structural integrity under extreme weather events. As global building energy performance mandates grow more stringent—such as the EU Energy Performance of Buildings Directive (EPBD) and North American ASHRAE 90.1 standards—the demand for customizable, high-precision OEM/ODM louver manufacturing has escalated dramatically.
Founded in 2015, Chengdu Zenit Window & Door Co., Ltd. operates a premier 25,000-square-meter manufacturing facility. Backed by 11 years of deep industry expertise and 8 years of global trade experience, the company achieves an annual export turnover of $26 million. Our primary export markets cover North America, Australia, and Western Europe, catering directly to Tier-1 residential home builders, architectural contractors, structural project engineers, and global building material wholesalers.
The operational paradigm between original equipment manufacturing (OEM) and original design manufacturing (ODM) in the architectural louver domain requires an intricate balance of metallurgical mastery, precision extrusion tooling, automated mechanical joinery, and reliable thermal break insertion. Whether executed as fixed ventilation panels, manual elliptical louvers, or automated BMS-integrated motorized sunshades, custom aluminum louvers provide critical information gain and engineering advantages over traditional fenestration systems.
Visualizing our 16-stage production and quality validation pipeline operated within our 25,000 m² facility.
Quality control is meticulously managed by a specialized team of 35 inspectors who perform rigorous air permeability testing, water tightness checks, and frame corner strength evaluations under static and dynamic loading profiles. Supported by over 600 verified supply chain partners, Zenit delivers comprehensive customization options including polyamide thermal break profiles, custom anodized finishes up to 25 microns, and triple-pane soundproof glass integration. Driven by an active R&D division of 42 engineers, we released 50 new architectural window systems over the past fiscal year alone.


















Engineering breakdown of aluminum extrusions, surface treatment durability, and automated HVAC integration.
We utilize primary 6063-T5 and 6065-T6 aluminum alloys with wall thicknesses ranging from 1.4mm to 3.0mm depending on wind load resistance demands (ASTM E330). Aerodynamically optimized blade geometries (elliptical, air-foil, z-blade, and box louvers) reduce drag coefficients while maximizing airflow efficiency and water deflection.
Extrusions undergo advanced surface treatments compliant with AAMA 2604/2605 and Qualicoat Class 2 standard coatings. Options include fluorocarbon PVDF spraying (minimum 3-coat System with 20-year color retention), chemical anodizing (15–25 microns), and durable architectural powder coating resisting salt spray corrosion up to 3,000 hours.
OEM solutions feature linear motor drive systems, concealed linkage bars, and 24V DC tubular actuators compatible with Modbus, KNX, and BacNet Building Management Systems. Automated dynamic louvers adjust real-time pitch based on solar azimuth tracking and rainfall/wind sensor triggers.
| Performance Indicator | Standard Residential Louver | Zenit OEM Commercial Louver System | Zenit ODM Heavy-Duty Storm Rated |
|---|---|---|---|
| Structural Alloy Grade | Recycled 6063-T5 (1.2mm) | Virgin 6063-T5 / T6 (1.8mm - 2.2mm) | Structural 6005A-T6 (2.5mm - 3.2mm) |
| Design Wind Load (Pascal) | 1,200 Pa (150 km/h) | 3,500 Pa (240 km/h) | 5,000+ Pa (ASTM E330 Hurricane Zone) |
| Thermal Insulation (U-Value) | 5.8 W/m²K (Non-thermal) | 2.8 W/m²K (PA66 Thermal Break) | 1.4 W/m²K (Aerogel Infilled Blade) |
| Acoustic Damping (STC / Rw) | Rw 18 dB | Rw 32 dB (EPDM Sealed Blade) | Rw 42 dB (Acoustic Acoustic Baffle) |
| Water Penetration Resistance | 150 Pa (ASTM E331) | 450 Pa High-Pressure Channel | 700 Pa Continuous Rainscreen Standard |
How Chengdu Zenit leverages industrial clustering to deliver unmatched speed, cost control, and customized scaling.
China's architectural aluminum manufacturing sector represents the world's most integrated and resilient industrial supply chain matrix. Chengdu Zenit Window & Door Co., Ltd. sits at the strategic nexus of Western China's aluminum smelting hubs and Sichuan's high-tech precision CNC engineering clusters. This geographical advantage translates into immediate supply chain efficiencies:
With over 600 verified raw material suppliers, thermal barrier strip manufacturers (Technoform partner level), and glass processing plants directly integrated into our vendor ecosystem, we eliminate intermediate trading markup and raw ingot latency.
Our in-house 42-engineer R&D center executes custom aluminum extrusion matrix die creation within 14 to 21 working days, compared to the industry standard of 6 to 8 weeks in Western domestic markets.
Operating adjacent to major rail terminals and ocean port connections allows seamless shipping via FCL/LCL under DDP, FOB, or CIF terms with full custom clearance documentation prepared for US, AU, and EU ports.
By coupling continuous vertical integration—from raw billet extrusion down to automated powder coating and final acoustic gasket insertion—with rigorous internal quality control standards, Zenit provides architectural clients with an average cost advantage of 25% to 40% over North American and European fabricators while meeting identical or superior testing benchmarks.
Tailored engineering solutions configured to local climate challenges, building codes, and structural specifications.
In coastal zones such as Florida and the Gulf Coast, building envelope systems must withstand extreme cyclical pressure and wind-borne debris impact. Zenit’s OEM impact-rated louver systems incorporate heavy-wall 6005A-T6 extrusions paired with laminated hurricane-glass louver blades or reinforced aluminum box blades. Fully certified under NFRC thermal standards and compliant with ASTM E1886/E1996 large missile impact criteria, our systems provide peace of mind for coastal resort developments and commercial towers.
The Australian climate demands extreme UV stability, high water tightness, and stringent bushfire resistance (BAL ratings). Our engineered AS2047 louver window assemblies feature stainless steel 316 internal mesh screen options, corrosion-resistant anodized finishes, and silicone-free mechanical corner crimping to satisfy strict NCC (National Construction Code) standards. Louver control mechanisms allow maximum cross-ventilation, critical for achieving high NatHERS thermal ratings in residential housing projects across Queensland and New South Wales.
European developments focus heavily on passive low-energy designs, necessitating thermally broken louver frames with low U-values ($U_w \le 1.2 \text{ W/m}^2\text{K}$). Conversely, Middle Eastern projects (GCC region) require sand-resistant, dust-proof weather seals with heavy PVDF coatings able to endure ambient heat exceeding 50°C without color chalking or thermal deformation. Zenit’s engineering team develops customized multi-lip EPDM gasket seals tailored specifically for these contrasting climatic extremes.
Pioneering smart dynamic facades, building-integrated photovoltaics (BIPV), and low-carbon circular manufacturing.
Zenit R&D is actively developing solar-harvesting louver blades featuring thin-film photovoltaic panels laminated directly onto adjustable aluminum blades. This allows building facades to generate clean micro-grid energy while dynamically shading interior spaces.
Integrating hydrophobic ceramic nano-coatings onto louver surfaces reduces maintenance cycles on high-rise commercial structures by utilizing natural rainfall to wash away atmospheric dust and urban pollutants.
Targeting net-zero embodied carbon by 2028, our production roadmap increases the ratio of post-consumer recycled aluminum (PCRA) billets to 75%, drastically reducing the carbon footprint per square meter of facade produced.
Explore our full range of certified high-performance doors, windows, and custom motorized louver assemblies.
OUNA Aluminum Exterior Entry Doors for Houses Exterior Front Entry Doors Modern Design CE ISO NFRC Certified Manufacturer
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OUNA Aluminium Windows Doors House Exterior Aluminum Sliding Windows Hurricane Impact Proof Double Glazed Thermal Break Windows
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OUNA China High Quality Modern Design Aluminum Casement Window Thermal Break Hurricane Impact Proof Double Glazed Tempered Glass
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OUNA Multishades NFRC Modern Narrow Frame Soundproof Triple Glazed Low-E Aluminum Sliding Window Energy Efficient for Apartment
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OUNA Precision Adjustable Aluminum Blades Control Light and Ventilation with Fixed or Operable Settings Manual Operation
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OUNA Modern Aluminum Exterior Entry Door for House Villa Security Soundproof Durable Design CE ISO NFRC Certified Manufacturer
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OUNA Bifold Doors Vertical Automatic Frameless Folding Glass Doors System Interior Aluminium Glass Bi Fold Door for House
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OUNA American Standard Aluminum Entrance Doors for Houses Exterior Front Entry Doors CE ISO NFRC Certified
View Specifications & OEM Direct QuoteDetailed insights for procurement officers, architects, structural engineers, and building contractors.
For custom profile extrusions requiring custom die tooling, our standard MOQ starts at 300 square meters or 1.5 metric tons of aluminum extrusions. For standard catalog profiles with custom anodized or powder-coated finishes, MOQs start as low as 50 square meters to accommodate high-end bespoke residential projects.
Our louver blade edges utilize dual-durometer EPDM gaskets integrated with perimeter drainage channels. Under ASTM E331 water penetration tests, our commercial operable louver systems withstand static pressures up to 450 Pa without internal moisture leakage.
Yes. We supply motorized louvers equipped with CE and UL-certified linear actuators (24V DC or 230V AC). These support full integration with Smart Home protocols (Z-Wave, Zigbee) and industrial Building Management Systems (BACnet, KNX, Modbus) for automated climate and lighting control.
Zenit systems are designed, tested, and certified under AS2047 / AS1288 (Australia), NFRC / CSA (North America), CE / EN 13659 (Europe), and ISO 9001 quality management standards. Full factory test reports from accredited third-party laboratories (Intertek/SGS) are provided with engineering submittals.
Standard fabrication and surface coating require 25 to 30 days after shop drawing approval. If custom extrusion dies are required, add 14 to 21 days for tooling development and sample extrusion approval. Rapid sea freight shipping is available directly to major global ports.
By incorporating glass-fiber reinforced polyamide (PA66-GF25) thermal barrier strips between exterior and interior aluminum extrusion profiles, thermal conduction is reduced by up to 60%. This yields system U-values down to 1.8 - 2.2 W/m²K depending on glazing selection.