Zenit Window
High-Performance Aluminum Architectural Solutions
Explore our CE-compliant, thermal break replacement windows and glass wall assemblies engineered for global commercial and residential applications.
Chengdu Zenit Window & Door Co., Ltd.
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 dedicated 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 to residential home builders, architectural contractors, and building material wholesalers.
Quality control is rigorously managed by a specialized team of 35 quality inspectors who perform comprehensive air permeability testing, water tightness checks, and frame corner structural strength evaluations. Supported by over 600 global supply chain partners, Zenit delivers exhaustive customization options including PA66 polyamide thermal break profiles, custom anodized finishes, and triple-pane soundproof low-E glass assemblies. Driven by an active R&D division of 42 experienced engineers, we released 50 new architectural window and door systems over the past year alone.
Enterprise Competency Overview
Zenit balances cutting-edge manufacturing automation with rigorous quality validation. Our CE-marked fenestration products fulfill strict European Union Construction Products Regulation (CPR 305/2011) parameters, guaranteeing long-term energy saving and weather resilience.
CE Certification Benchmark & Engineering Compliance
Architectural aluminum replacement windows destined for the European single market must meet stringent performance thresholds under standard EN 14351-1:2006+A2:2016.
Thermal Transmittance (U-Value)
Incorporating PA66GF25 structural polyamide thermal barrier strips ensures system U-values as low as 0.8 to 1.2 W/m²K, surpassing passive house energy efficiency mandates and minimizing thermal bridging.
Watertightness & Air Permeability
Tested up to Class 9A (600 Pa water pressure) and Class 4 air permeability (EN 12207). EPDM continuous triple-gasket sealing prevents moisture ingress during intense storm conditions.
Wind Load & Structural Safety
Class C5/B5 wind load rating according to EN 12210. Extruded 6063-T6 architectural grade aluminum profiles withstand extreme dynamic pressure without permanent structural deflection.
| Performance Parameter | CE EN 14351-1 Standard Requirement | Zenit Architectural Standard | Testing Methodology |
|---|---|---|---|
| Thermal Transmittance ($U_w$) | ≤ 1.8 W/m²K | 0.8 - 1.2 W/m²K | EN ISO 10077-2 Hot Box Test |
| Acoustic Insulation ($R_w$) | ≥ 30 dB | Up to 45 dB (Triple Glazed) | EN ISO 140-3 Laboratory Test |
| Air Permeability | Class 2 (300 Pa) | Class 4 (600 Pa) | EN 1026 Air Leakage Test |
| Watertightness | Class 5A (200 Pa) | Class E900 (900 Pa) | EN 1027 Static Water Spray |
| Wind Load Resistance | Class C3 (1200 Pa) | Class C5 (2000 Pa) | EN 12211 Structural Deflection |
Technical Whitepaper Insight: Thermal Break Innovation
Standard solid aluminum frame profiles possess high thermal conductivity (approx. 160 W/mK), causing severe heat loss and condensation risks. Zenit's CE-certified architectural replacement series utilizes multi-cavity PA66 polyamide insulating strips (conductivity ≤ 0.3 W/mK), effectively severing the thermal path between external and internal environments.
China Factory 4.0: Supply Chain Resilience & Manufacturing Workflow
Our 25,000 m² state-of-the-art facility integrates advanced CNC machining, precision assembly lines, and rigorous automated quality control checks at every stage.
Raw Material
Threading
Cutting 1
Cutting 2
CNC Machining 1
CNC Machining 2
Assembly 1
Assembly 2
Assembly 3
Assembly 4
Debugging
Warehouse
Strip Threading
Cutting Machine
CNC Milling
Assembly Line
QC Station
Debugging Rack
Macro Architectural Solutions for International Procurement
Addressing the exact procurement parameters of commercial real estate developers, architectural contractors, and regional building supply distributors.
Urban Retrofitting & Modernization
Replacement projects require frame profiles that match existing masonry openings while vastly upgrading thermal efficiency. Our custom extrusion tolerances ensure drop-in replacement without structural exterior facade destruction.
Multi-Family Acoustic Dampening
For high-density urban residential complexes adjacent to traffic corridors, our multi-chamber frames paired with asymmetrical laminated double/triple glass reduce external environmental noise by up to 45 dB.
Coastal Extreme Weather Fortification
Coastal and hurricane-prone zones demand extreme structural integrity. Zenit windows incorporate reinforced stainless steel multipoint locking gear, heavy-duty hinges, and laminated impact glass meeting Florida NOA and AS2047 standard levels.
Next-Generation Fenestration Engineering (2025–2030)
Our 42 R&D engineers are driving sustainable innovation through advanced materials, smart home integration, and zero-carbon building technology.
1. Vacuum Insulated Glass (VIG) Synergy
Integrating 0.3mm micro-vacuum gaps into standard double glazed profiles. Eliminating thermal convection inside the pane drops total window U-values below 0.5 W/m²K, enabling true zero-energy architecture.
2. Aerogel Thermal Break Strips
Replacing conventional polyamide strips with silica aerogel infused polymers. Aerogel exhibits conductive thermal resistance 3x higher than standard PA66, reducing frame thickness while boosting insulation capacity.
3. Electrochromic Smart Tinting & BIPV
Dynamic glass integration changing light transmission automatically based on solar intensity, coupled with Building-Integrated Photovoltaic (BIPV) window frame tracks for localized energy generation.
4. Circular Economy & Low-Carbon Aluminum
Transitioning primary extrusion stocks to 100% recycled hydroelectric-smelted aluminum alloy 6063-T6, cutting embedded carbon footprints by up to 70% to meet EU Green Deal carbon accounting metrics.
Localized Engineering Support & Global Logistics Protection
Chengdu Zenit Window & Door Co., Ltd. mitigates overseas procurement risk by delivering comprehensive technical documentation, structural calculations, and localized CAD shop drawings tailored to regional building codes across Europe, North America, and Australia.
Every shipment is protected by export-grade plywood crate packaging, corner guards, and moisture-proof vacuum wrapping to ensure pristine condition upon site delivery.
OEM / ODM Customization Parameters
- Custom Powder Coating (RAL Color System) & Anodized Finishes
- Dual-Color Profiles (Interior Wood-Grain / Exterior Metallic Finish)
- Multi-Point European Security Locking Hardware Integration
- Customized Glass Configurations (Double, Triple, Low-E, Argon, Laminate)
- Job-site Installation Guide Manuals & Technical Support
Frequently Asked Questions for B2B Buyers & Engineers
Comprehensive engineering insights for architectural procurement officers and structural engineers.
Our architectural replacement window systems are fully certified under EN 14351-1:2006+A2:2016 (Windows and doors - Product standard, performance characteristics). They fulfill compulsory European Construction Products Regulation (CPR 305/2011) mandates, accompanied by complete Factory Production Control (FPC) documentation, Declaration of Performance (DoP), and CE marking tags on all factory-assembled units.
While uPVC offers basic thermal insulation, thermal break aluminum (6063-T6) offers vastly superior structural integrity, allowing for significantly slimmer sightlines, larger panoramic glass spans, higher wind resistance, and a product lifespan exceeding 40 years. Through PA66GF25 polyamide thermal barriers, aluminum windows equal or surpass uPVC thermal insulation (reaching U-values down to 0.8 W/m²K) without suffering from UV degradation or frame warping.
Yes. Beyond European CE standards, Zenit designs fenestration systems verified according to NFRC (National Fenestration Rating Council) protocols in North America and AS2047 / AS1288 standards for Australia. Our hurricane-impact window lines are also engineered for Miami-Dade NOA wind-borne debris protection zones.
Standard production turnaround for customized aluminum replacement windows is 25 to 35 business days following shop drawing approval and deposit confirmation. For emergency replacement or contract-stage commercial developments, accelerated batch production schedules can be arranged via our 25,000 m² smart factory facility.
We offer fully customized Insulated Glass Units (IGU), including double glazed (6mm + 12Ar + 6mm) and triple glazed (5mm + 12Ar + 5mm + 12Ar + 5mm) configurations. Glass treatments include double/triple silver Low-E, electrochromic tinting, PVB/SGP acoustic laminated glass, and argon gas filling with warm-edge composite spacers for optimal solar heat gain (SHGC) control.
Our quality control department consists of 35 full-time QC inspectors operating under ISO 9001 certified workflows. Every raw aluminum extrusion profile undergoes harness, anodizing thickness, and tensile strength testing. Assembly units undergo 100% pneumatic sealing checks, water tightness chamber sprays, and hardware operational cycle tests before final packaging.
Customized Replacement Systems & Hardware Configurations
Browse our specialized folding windows, heavy-duty French entry systems, and architectural shading louvers engineered to exact regional project specifications.
