Zenit Window
Precision Architectural Sliding Window Series
Certified by AS2047, NFRC, and Florida Miami-Dade NOA Standards for Commercial & High-End Residential Developments.
OUNA Thermal Break Aluminum Alloy Sliding Window for Balcony Double Tempered Glass Hurricane Impact AS2047 NFRC Certified
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OUNA Sliding Windows Heat Insulation Custom Modern Sliding Glass Aluminum Horizontal Modern Thermal Break Window with Handle
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OUNA Florida Approved Miami Dade Hurricane Impact Proof NOA Glass Aluminium Sliding windows Double Tempered Glass Screen Window
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OUNA Commercial Hurricane Impact Proof Windows NFRC AS2047 Modern Windows Foshan for Residential Project Aluminum Sliding Window
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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 Custom Powder Coated Aluminum Sliding Window with Double Tempered Glass for House Apartment and Building Projects
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OUNA NFRC AS2047 Hurricane Proof Aluminum Sliding Windows Double Tempered Glass Heat Insulation Sliding Window for Villa
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OUNA NFRC AS2047 Hurricane Impact Proof North American Latest Design Grill Sliding Window Double Glass Sliding Glass Windows
Request Engineering Quote →Chengdu Zenit Window & Door Co., Ltd. Enterprise Capacity
Operating at the intersection of European engineering standards and China's advanced smart manufacturing ecosystem.
Founded in 2015, Chengdu Zenit Window & Door Co., Ltd. operates a state-of-the-art 25,000-square-meter manufacturing facility. Backed by 11 years of deep industry expertise and 8 years of global trade experience, the company achieves a robust annual export turnover of $26 million. Our primary export markets cover North America, Australia, and Western Europe, catering directly to residential home builders, architectural contractors, and Tier-1 building material wholesalers.
Quality control is strictly managed by a team of 35 certified inspectors who perform rigorous air permeability testing, water tightness checks, and frame corner mechanical strength evaluations. Supported by over 600 global supply chain partners, Zenit delivers comprehensive architectural customization options including polyamide thermal break profiles, custom anodized surface finishes, and triple-pane soundproof Low-E glass units. Driven by an active R&D division of 42 engineers, we successfully released 50 new architectural window systems over the past year alone.
Precision Process Control & Factory Workflows
Step-by-step visual documentation of our automated extrusion, thermal strip insertion, CNC milling, assembly, and debugging units.
1. Raw Material
2. Threading
3. Cutting 1
4. Cutting 2
5. CNC Machining 1
6. CNC Machining 2
7. Assembly 1
8. Assembly 2
9. Assembly 3
10. Assembly 4
11. Debugging
12. Warehouse
Machinery Infrastructure & Quality Inspection Racks
Strip Threading Machine
Cutting Machine
CNC Milling Machine
Assembly Line
QC Testing Station
Debugging Rack
China Factory 4.0: Supply Chain Resilience & Efficiency
How our integrated manufacturing ecosystem mitigates global disruption risk while maximizing performance-to-cost ratios.
1. Direct Primary Raw Material Access
By controlling sourcing channels for high-grade 6063-T6 aluminum extrusions and high-performance PA66 GF25 polyamide thermal strips, Zenit minimizes raw material price volatility. This ensures consistent wall thicknesses (up to 2.0mm+ for structural sliding sashes) that exceed international engineering standards.
2. Automated Manufacturing Precision
Our integrated CNC milling and automated double-head cutting systems reduce dimensional tolerances to ±0.5mm. This micro-precision eliminates air leakage paths around sliding tracks, guaranteeing superior air permeability and water tightness under extreme dynamic wind loads.
3. Supply Network Redundancy
With an active matrix of over 600 vetted component suppliers, Zenit secures hardware systems (such as Siegeina, Hopo, and custom OEM stainless steel multi-point locks) without lead-time bottlenecks, preserving a reliable 25-35 day shipping cycle for massive B2B orders.
Macro Industry Solutions & Environmental Adaptability
Customized window structural configurations optimized for regional climate challenges, structural wind speeds, and thermal efficiency requirements.
Coastal Hurricane Zones
Florida Miami-Dade NOA & High-Velocity Hurricane Zone (HVHZ)
Equipped with heavy-duty aluminum tracks, PVB laminated impact glass, and reinforced interlockers. Engineered to withstand design pressure (DP) ratings exceeding DP50-DP90, preventing structural fatigue against flying debris and storm surges.
Cold & Alpine Regions
North America & Northern Europe Thermal Energy Compliance
Featuring multi-cavity thermal break profiles loaded with PA66 GF25 insulation strips combined with Argon-filled triple-glazed Low-E glass units. Achieves low overall U-factors (≤ 0.20 BTU/h·ft²·°F), dramatically slashing HVAC energy demands.
High-Density Urban Environments
Acoustic Isolation & Modern Aesthetic Fenestration
Engineered for luxury high-rise apartments and hotel complexes. Utilizing asymmetrical double/triple glazing with acoustic PVB interlayers to achieve Sound Transmission Class (STC) ratings up to 45 dB, neutralizing low-frequency urban traffic noises.
| Performance Standard | Structural Wind Load | Air Infiltration (ASTM E283) | Water Resistance (ASTM E331) | Thermal U-Factor (NFRC) | Acoustic Rating (STC) |
|---|---|---|---|---|---|
| Hurricane Impact Line | Up to 90 PSF (DP90) | < 0.1 cfm/ft² | 15 PSF (720 Pa) | 0.28 - 0.34 | 38 - 42 dB |
| Passive Thermal Line | Up to 60 PSF (DP60) | < 0.05 cfm/ft² | 12 PSF (600 Pa) | 0.16 - 0.22 | 40 - 45 dB |
| Commercial Narrow Frame | Up to 50 PSF (DP50) | < 0.12 cfm/ft² | 10 PSF (480 Pa) | 0.30 - 0.35 | 35 - 38 dB |
Global B2B Procurement & RFP Requirements
Streamlining enterprise-level supply chain logistics, architectural shop drawing approvals, and quality assurance checkpoints.
B2B RFP Technical Checklist
- CAD/BIM Integration: Provision of AutoDesk Revit / AutoCAD files for precise structural opening match.
- Surface Finish Specifications: AAMA 2604 / AAMA 2605 compliant fluorocarbon (PVDF) coating or anodizing depth (≥ 15 microns).
- Structural Calculation Reports: Third-party verified wind load and glass stress calculations tailored to local building codes.
- Hardware Endurance Testing: Roller system duty cycle testing rated for ≥ 100,000 smooth opening/closing cycles.
Logistics & Container Packaging Safety
Export packaging utilizes fully enclosed plywood crates, protective corner guards, steel-banding support, and anti-abrasion film separating glass panes. This zero-damage export strategy ensures that 100% of shipments reach sites across North America, Europe, and Australia ready for immediate installation.
Localization Support & Regional Compliance
Meeting and exceeding the world's most stringent regulatory building envelope performance standards.
North America (USA & Canada)
Fully compliant with NFRC (National Fenestration Rating Council) certification for thermal emissivity and solar heat gain coefficients (SHGC). Selected lines feature Florida Department of Business and Professional Regulation (DBPR) NOA approval for impact safety in HVHZ regions.
Australia & Oceania
Engineered and tested in accordance with AS2047 (Windows and External Glazed Doors in Buildings) and AS1288 glass selection standards. Guaranteed performance for air infiltration, water resistance, and ultimate strength deflection test (AS4055).
European Union (EU)
Carries full CE Marking compliance under EN 14351-1. Tested for acoustic mitigation, structural safety, environmental hazardous substance compliance (RoHS), and low embodied carbon lifecycle metrics.
Technology Roadmap & Future Outlook
Pioneering the next decade of intelligent, zero-carbon, and ultra-slim sliding window systems.
1. Vacuum Insulated Glass (VIG) Integration
Zenit’s R&D engineering division is pioneering next-generation sliding sashes equipped with Vacuum Insulated Glass units. By creating a 0.1mm micro-vacuum gap between glass panes, thermal conductivity drops to near-zero levels (U-factors ≤ 0.10 BTU/h·ft²·°F), providing center-of-glass insulation equivalent to solid masonry walls.
2. Automated IoT Smart Sliding Drive Systems
Incorporating micro-electromechanical linear drives directly within the frame tracks. Connected to smart home automation systems (Zigbee/Matter/KNX), these sashes automatically adjust ventilation based on indoor air quality (CO2/VOC levels) and climate weather alerts, featuring magnetic levitation for silent, frictionless gliding.
Frequently Asked Questions (FAQ)
Expert technical insights regarding architectural engineering, custom ordering, and supply chain management.
Q1: How do Zenit's aluminum sliding windows achieve Florida Miami-Dade NOA hurricane impact certification?
Our hurricane impact sliding windows incorporate heavy-wall 6063-T6 extruded aluminum profiles paired with multi-layer DuPont SentryGlas® or PVB laminated impact glass units. During testing, these systems endure cyclic wind pressure loadings up to ±90 PSF and pass the large missile impact test (a 9-lb 2x4 timber shot at 50 ft/s), ensuring total structural integrity without envelope breach during Category 5 hurricanes.
Q2: What is the lead time for B2B container orders, and what customization options are available?
Standard production lead time ranges between 25 to 35 days from final CAD shop drawing sign-off. We offer full OEM/ODM customization: including profile wall thickness (1.4mm to 2.2mm), surface treatment (AkzoNobel powder coating, fluorocarbon PVDF, electro-anodizing), glass makeup (double/triple pane, Low-E, Argon-filled, tinted, smart electrochromic), and concealed multi-point hardware integration.
Q3: How does thermal break technology prevent condensation and heat loss in extreme environments?
Thermal break sliding windows feature a structural polyamide (PA66 GF25) insulating strip mechanically crimped between the interior and exterior aluminum profiles. This non-conductive barrier disrupts thermal bridging, preventing cold transfers to interior frame surfaces. Consequently, indoor surface temperatures stay above dew point levels, completely eliminating frame condensation and lowering energy consumption.
Q4: What structural features ensure water tightness in track drainage systems during heavy rainstorms?
Zenit utilizes a stepped independent drainage track design featuring one-way check valves and anti-backflow caps. Water accumulated in the tracks is rapidly channeled outward under gravity while dynamic wind pressure is prevented from pushing water back indoors. Combined with EPDM triple-sealing gaskets and corner vulcanization plugs, water tightness is preserved up to 720 Pa testing thresholds.
Additional High-Performance Sliding Window Models
Explore our full line of soundproof, energy-efficient, and narrow-profile horizontal sliding windows.
OUNA Aluminum Sliding Window Double Tempered Glazed with Screen Home Apartment Thermal Break Soundproof CE AS2047 NFRC Certified
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OUNA Residential Aluminum Sliding Windows Hurricane Impact Proof Modern Design Double Tempered Glazed Custom Aluminum Windows
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OUNA NFRC AS2047 Hurricane Impact Aluminum Sliding Windows Energy Efficient Soundproof for American House Residential Project
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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 Aluminium Windows Doors House Exterior Aluminum Sliding Windows Hurricane Impact Proof Double Glazed Thermal Break Windows
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OUNA Aluminium Alloy Windows Doors House Exterior Aluminum Sliding Windows Soundproof Double Glazed Thermal Break Windows
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OUNA Sliding Window Hurricane Impact Proof Aluminum Energy Efficient NFRC AS2047 Glass Double Glass Aluminum Window
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