Global Architectural Solution Authority

Top Trusted Aluminium Glass Sliding Window Manufacturers & Exporter

Precision Engineering, Industry 4.0 Manufacturing Rigor, and High-Performance Fenestration Systems Certified for World-Class Commercial & Residential Projects

Architectural Showcase

High-Performance Window & Door Systems (Part I)

Explore our engineering-grade architectural products manufactured to meet international structural and energy-efficiency certifications.

OUNA Heavy Duty Aluminum Alloy French Glass Windproof Commercial Storefront Entry Door

OUNA Heavy Duty Aluminum Alloy French Glass Windproof Commercial Storefront Entry Door for Hotels & Malls

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OUNA Custom Arched Aluminum French Doors Vintage Style

OUNA Custom Arched Aluminum French Doors Antique Design with Decorative Grilles for a Unique Vintage Style Home Entrance

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OUNA Modern Double Glass Folding Door Custom Aluminium Patio

OUNA Modern Double Glass Folding Door Custom Aluminium Patio Folding Door with Factory Price Bi-fold Door for Villas

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OUNA Insect Screen Integrated Aluminum Louvre Blades

OUNA Insect Screen Integrated Aluminum Louvre Blades Allows Unrestricted Ventilation While Blocking Bugs Ideal for Tropical Area

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OUNA Modern Design Exterior Aluminium Tempered Glass Folding Door

OUNA Modern Design Exterior Aluminium Tempered Glass Folding Door Safe and Soundproof Bi-Folding Patio Door for Gardens

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OUNA Hurricane Proof High Impact Black Aluminum Alloy Thin Profile Windows

OUNA Hurricane Proof High Impact Black Aluminum Alloy Thin Profile Aluminium Windows and Doors Casement Window S for USA

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OUNA NFRC AS2047 Exterior Hurricane Impact Energy Efficient Window

OUNA NFRC AS2047 Exterior Hurricane Impact Energy Efficient Window Thermal Break Aluminum Glass Sliding windows

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OUNA Minimalist Aluminum Alloy Frame Folding Window

OUNA Minimalist Aluminum Alloy Frame Folding Window Clean Lines and Robust Construction for Contemporary Apartments

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Manufacturing Scale & Institutional Authority

Chengdu Zenit Window & Door Co., Ltd.

A global leader in high-precision structural fenestration systems, driving building envelope efficiency across continents.

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 industry expertise and 8 years of global trade experience, the company achieves an impressive 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 building material wholesalers who demand uncompromising structural performance and aesthetic perfection.

Quality control at Zenit is rigorously executed by a specialized team of 35 dedicated inspectors who perform stringent air permeability testing, water tightness checks, and frame corner strength evaluations on every production line. Supported by a network of over 600 verified supply chain partners, Zenit delivers comprehensive structural customization options including multi-chamber thermal break profiles, custom anodized and fluorocarbon powder-coated finishes, and triple-pane soundproof low-emissivity glass assemblies. Driven by an active internal R&D division of 42 experienced engineers, we successfully designed and commercialized 50 new architectural window systems over the past year alone.

25,000㎡
Production Facility
$26M
Annual Export Turnover
35 QC / 42 R&D
Engineers & Inspectors
600+
Supply Chain Partners
R&D Horizon

Technical Roadmap & Future Outlook in Architectural Glazing

How next-generation thermal engineering and material science are defining the future of commercial sliding fenestration.

Aerogel Thermal Isolation & PA66-GF25

Integration of ultra-low conductivity polyamides reinforced with 25% glass fiber (PA66-GF25) and specialized aerogel core inserts, driving overall window U-factors down to passive-house standards (U ≤ 0.8 W/m²K).

Electrochromic & Photovoltaic Glass Integration

Next-gen active tinting glass system that responds to solar irradiance dynamically, cutting peak HVAC loads by up to 40% while preserving optical clarity and structural solar heat gain coefficient (SHGC) control.

Impact Resistance & Seismic Shear Dampeners

Engineering robust, ultra-narrow sightline framing configured with structural silicone structural glazing (SSG) designed to absorb cyclic hurricane wind loads up to 6,000 Pa and high-displacement seismic activity.

China Factory 4.0 Precision

End-to-End Manufacturing Workflow & Operations

Inside Chengdu Zenit's 25,000m² digitally integrated fabrication plant, showing key stages from raw profile processing to final QC alignment.

Raw Material Storage
Raw Material Storage
Strip Threading Machine
Strip Threading Machine
Threading Process
Thermal Strip Threading
Precision Cutting Machine
Precision Cutting Machine
High-Speed Profile Cutting 1
Profile Cutting Phase 1
High-Speed Profile Cutting 2
Profile Cutting Phase 2
CNC Milling Machine
CNC Milling Center
5-Axis CNC Machining 1
CNC Machining Stage 1
5-Axis CNC Machining 2
CNC Machining Stage 2
Automated Assembly Line
Automated Assembly Line
Frame Corner Assembly 1
Corner Joining Stage 1
Frame Corner Assembly 2
Corner Joining Stage 2
Glazing & Sealing Assembly 3
Gasket & Seal Integration
Hardware Fitting Assembly 4
Hardware & Roller Fitting
System Alignment & Debugging
System Smoothness Debugging
Testing & Debugging Rack
Vertical Testing & Rack Setup
Quality Control Inspection
Rigorous Final QC Inspection
Finished Product Warehouse
Standardized Export Packaging & Warehousing
Compliance & Market Authorization

Macro Industry Solutions & Regional Compliance Frameworks

Ensuring seamlessly compliant, energy-efficient fenestration systems configured specifically for global market codes.

Target Region Certification Standards Structural & Thermal Requirements Zenit Engineering Solutions
North America (USA & Canada) NFRC, ASTM E1300, Miami-Dade NOA High Wind Load (DP60+), Low U-Factor (≤ 0.28 BTU/h·ft²·°F), SHGC ≤ 0.22 Thermal Break 6063-T6 Aluminum, Double/Triple Low-E Argon-Filled SGP Laminated Glass
Australia & New Zealand AS2047, AS1288, BAL Bushfire Standard Deflection Test (SLS/ULS), Air Infiltration (≤ 0.5 L/s·m²), Water Penetration 450Pa+ Heavy-Duty Roller Tracks, Sub-Head & Sub-Sill Flashing Systems, Toughened Safety Glass
Western Europe (EU Region) CE Mark, EN 14351-1, Passive House Institute Acoustic Insulation (STC ≥ 42dB), Air Permeability Class 4, Water Tightness Class E900 Multi-Chamber Polyamide Insulating Strips, EPDM Continuous Weather Gaskets
Tropical & Coastal Areas ISO 9227 Salt Spray Test (1000h+) Corrosion Resistance C5-M, Insect Protection, Torrential Rain Water Resistance Fluorocarbon (PVDF) Coatings, Stainless Steel 316 Mesh & Hardware Systems
B2B Enterprise Procurement

Global Enterprise Sourcing & Risk Management Matrix

How Zenith eliminates international procurement friction for contractors, architects, and volume importers.

100% Precision Shop Drawings

Our 42-engineer design division provides full BIM models, CAD elevation details, and structural anchoring calculations prior to manufacturing, eliminating on-site installation mismatches.

Steel-Crate Export Logistics

To eliminate shipping damage, all finished window and door units are individually film-wrapped, corner-protected, and packed into fully enclosed A-frame steel crates engineered for crane unloading.

10-Year Comprehensive Warranty

We back our extrusions, glass seal integrity, surface coatings, and mechanical hardware with a full 10-year institutional warranty, backed by global technical service teams.

Frequently Asked Questions

Technical & Commercial FAQ Guide

Comprehensive answers addressing technical specifications, order logistics, and customization options for commercial buyers.

What makes aluminum sliding windows superior to vinyl (uPVC) or wood windows for commercial applications?
Aluminum profiles offer significantly higher tensile strength (6063-T6 alloy), permitting dynamic structural loads and far narrower frames (minimalist sightlines) capable of supporting large architectural glass panels. Unlike vinyl, high-grade aluminum does not warp, expand, or degrade under extreme thermal cycles or intense UV radiation. When equipped with polyamide thermal breaks, aluminum achieves identical energy efficiency ratings to premium wood while requiring virtually zero exterior maintenance.
How does Zenith ensure compliance with local building codes like NFRC in North America or AS2047 in Australia?
Every product series undergoes physical testing in certified third-party laboratories (such as Intertek or SGS) to verify water penetration resistance, air infiltration rates, and ultimate wind pressure resistance. We configure system glass packages (Low-E coatings, argon fill, glass spacer thickness) and profile thermal breaks tailored to meet precise regional energy codes, delivering verified certification submittal packages with each commercial batch.
Can Zenith custom-manufacture non-standard sizes, specialized powder-coat colors, or curved profiles?
Yes. Supported by our internal team of 42 design engineers and advanced 5-axis CNC machining centers, we fully customize frame profiles, glass configurations, arch shapes, and custom anodized or PVDF fluorocarbon color finishes (RAL color matching system). We routinely engineer bespoke solutions for luxury residential villas, boutique hotels, and multi-family high-rise developments.
What is the typical production lead-time for ocean-freight container orders?
Standard production lead time is 25 to 35 calendar days following shop drawing confirmation and deposit receipt. For complex custom extruded dies or non-standard glass coatings, lead times range between 35 and 45 days. Rapid prototyping and expedited sample production can be completed in as few as 10 business days.
Complete Fenestration Range

High-Performance Window & Door Systems (Part II)

Explore additional certified architectural solutions for luxury residences, commercial storefronts, and specialized patio openings.

OUNA Home Office Reading Nook Aluminum Folding Window

OUNA Home Office Reading Nook Aluminum Folding Window Floods Space with Natural Light and Offers Easy Access to Fresh Air

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OUNA Panoramic Sliding Door NFRC Certification

OUNA Panoramic Sliding Door NFRC Certification Aluminum Energy Efficient Double Glass Heavy Duty Multi-Panel Sliding Door

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OUNA NFRC AS2047 Hurricane Proof Aluminum Sliding Windows

OUNA NFRC AS2047 Hurricane Proof Aluminum Sliding Windows Double Tempered Glass Heat Insulation Sliding Window for Villa

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OUNA Commercial Building Aluminum Sun Louver System

OUNA Commercial Building Aluminum Sun Louver System External Facade Shading Reduces Cooling Cost Project Customized Design

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OUNA Energy Efficient Low E Double Layered Tempered Glass Sliding Door

OUNA Hot Sell Energy Efficient Customized Low E Double Layered Tempered Glass Thermal Break Aluminum Lift Sliding Room Door

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OUNA High Strength Commercial Exterior Glass Storefront Door

OUNA High Strength Commercial Exterior Glass Storefront Door Stainless Steel French Design Windproof Aluminum Alloy Construction

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OUNA Aluminum Entrance Doors for Houses Residential Exterior Entry

OUNA Aluminum Entrance Doors for Houses Exterior Main Door Residential Exterior Entry Doors CE ISO NFRC Certified

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OUNA Modern Aluminum Tempered Glass Bi-Fold Door for Villas

OUNA High Quality Modern Aluminum Tempered Glass Bi-Fold Door Safe Folding Patio Exterior Sliding Folding Door for Villas

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