China Wholesale Aluminium Sliding Window Manufacturer & Supplier

Engineered Architectural Solutions Showcase

High-performance fenestration product lines manufactured for commercial property developers, facade contractors, and global distributors.

OUNA Contemporary Aluminum Exterior Doors Residential Exterior Entry Doors Main Door CE ISO NFRC Certified

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OUNA Aluminum Window Hurricane Impact Proof Tempered Glass Heat Insulation Other Fixed Windows Picture Panoramic Window

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OUNA Aluminum Fixed Window for Bedroom Study High Sound Proof Thermal Insulation Energy Saving Home Use Quiet Environment Maker

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OUNA Modular Aluminum Louvre Panels Easy Installation System for Large Facade Areas Custom Sizes and Configurations

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OUNA Heavy Duty Automatic Roll up Garage Door

OUNA Heavy Duty Automatic Overhead Roll up Garage Door Aluminum Alloy Construction for Factory Warehouse and Commercial

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OUNA AS2047 Modern Outdoor Aluminum Sliding Door

OUNA AS2047 Modern Outdoor Aluminum Full View Tempered Glass Slide Door Villa Patio Soundproof Sliding Doors

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OUNA Panoramic Glass Curtain Wall for Commercial Complex and Shopping Mall Attracts Customers with Transparent Modern Facade

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OUNA Aluminum Privacy Shutters for Indoor and Outdoor Use Perfect for Bathroom Bedroom and Garden Fence Durable Powder Coated

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Enterprise Profile & Strategic Capabilities

Tianjin Kross Window & Door Technology Co., Ltd. represents the apex of Chinese architectural fenestration manufacturing, delivering precision engineering and supply chain resilience worldwide.

35,000 m²

Advanced Manufacturing Hub

$31M

Annual Export Volume

42 QC

Dedicated Engineers & Techs

850+

Global Supply Partners

Corporate Credential Overview: Founded in 2015, Tianjin Kross Window & Door Technology Co., Ltd. operates an advanced production facility spanning 35,000 square meters. Backed by 11 years of deep industry expertise and 8 years of global trade experience, the company generates an annual export revenue of $31 million. Our key export markets encompass North America, Western Europe, and Australia, serving commercial property developers, facade contractors, and door & window distributors.

Quality control is managed by a team of 42 QC technicians executing rigorous water tightness testing, structural load checks, and air infiltration measurements. Supported by a robust network of 850 supply chain partners, Kross excels in custom solutions including thermal break profiles, triple-glazed acoustic glass, and custom anodized finishes. Driven by an R&D department of 58 engineers, we successfully introduced 65 new window designs over the past year.

Global Market Dynamics & Technology Roadmap

Analyzing the macroeconomic shifts, structural performance demands, and technological advancements reshaping the commercial aluminum sliding window sector.

Decarbonization & Thermal Efficiency

With energy codes tightening globally (e.g., ASHRAE 90.1, Title 24, and EU EPBD directives), the market is aggressively pivoting toward multi-cavity thermal break extrusions with PA66GF25 polyamide insulating struts. Achieving U-values below 1.2 W/m²K is now mandatory for tier-1 urban real estate projects.

Ultra-Slim Sightlines & Architectural Glass

Modern architectural aesthetics demand maximized glass surface ratios and structural transparency. Advanced sliding window platforms now feature narrow interlocking profiles (down to 20mm visible width) capable of carrying heavy multi-pane glass units weighing up to 500kg per sash via heavy-duty stainless steel rollers.

Smart Automation & Building IoT

Integration of concealed linear actuators, electromagnetic locking mechanisms, and smart home connectivity allows automated ventilation, weather-responsive auto-closing, and access control integration—establishing sliding fenestration as an active building component.

Technical Benchmark & Specification Matrix

Parameter	Standard Commercial Grade	Kross Premium Thermal Break System	Testing Standard Compliance
Thermal Transmittance (U-Value)	2.8 – 3.5 W/m²K	0.8 – 1.4 W/m²K	NFRC 100 / EN ISO 10077-2
Wind Pressure Load	1500 Pa (Serviceability)	up to 4500 Pa (Design Pressure)	ASTM E330 / AS2047 / EN 12210
Water Penetration Resistance	250 Pa	600 Pa – 1000 Pa (Sub-Sill Drain)	ASTM E547 / AS4420.5 / EN 12208
Air Infiltration Rate	1.5 L/s·m²	< 0.1 L/s·m² (Acoustic EPDM Sealed)	ASTM E283 / AS4420.2 / EN 12207
Acoustic Insulation (STC/Rw)	28 dB – 32 dB	40 dB – 48 dB (Triple Laminated)	ASTM E90 / ISO 10140-2
Alloy Grade & Temper	6063-T5 Standard Recycled	6063-T6 / 6060-T66 Primary Ingot	GB/T 5237 / ASTM B221

Global B2B Enterprise Procurement & Risk Management

Evaluating direct factory OEM/ODM sourcing models versus regional distribution channels to optimize Total Cost of Ownership (TCO) and project delivery timelines.

TCO Optimization & Direct Factory Sourcing

Bypassing intermediary trading layers by partnering directly with Tier-1 Chinese manufacturers allows real estate developers to reduce fenestration procurement expenses by 30% to 45%. Tianjin Kross provides fully itemized cost structures, transparent material sourcing certificates, and optimized container packing configurations that maximize volume utilization per 40HQ container.

Supply Chain Logistics & Freight Safeguards

Sea freight logistics for oversized glass sash structures require robust packaging protocols. Every sliding window panel manufactured at Kross undergoes double-wrapping with protective film, heavy-duty corner guards, and solid fumigated plywood crate packing equipped with shock indicators to prevent transit damage during long-distance maritime transport.

Customized Submittal Packages & Engineering Support

To streamline project approval with local authorities, building inspectors, and structural engineers, our 58 R&D engineers deliver comprehensive submittal packages. These include structural wind load calculation reports, shop drawings, thermal simulation models (THERM/WINDOW), and CAD/BIM objects ready for Revit integration.

Manufacturing Governance & Machining Technology

Inside our 35,000 square meter production facility: Precision extrusion processing, CNC machining, powder coating lines, and rigorous quality verification stages.

Production Workflow & Assembly Stages

Raw Material

Cutting

Cutting Precision

Engraving

Edge Banding

Drilling

Spraying

Polishing

Trial Installation

Packing

Machinery Equipment Fleet & CNC Automation

Warehouse Logistics

CNC Cutting Machine

Sliding Table Saw

CNC Engraving Machine

Edge Banding Machine

CNC Drilling Machine

Precision Drilling

Coating Drying Unit

Surface Sander

Spindle Moulder

Macro Architectural Solutions & Compliance Security

Engineering tailored window and facade configurations for complex microclimates, urban environments, and severe weather zones across the globe.

Hurricane & High Wind Resistance

Designed specifically for coastal zones in Florida, the Caribbean, and Australia (Cyclone Regions C & D). Utilizing heavy-duty reinforced aluminum profiles combined with SentryGlas (SGP) laminated impact glass, our hurricane sliding windows endure wind loads exceeding 4500 Pa and cyclic pressure testing in accordance with TAS 201/202/203 protocols.

Urban Acoustic Insulation

High-density urban multi-family developments require strict sound attenuation. By incorporating asymmetrical double/triple glazed units with argon gas filling and specialized sound-dampening EPDM gasket seals, Kross sliding windows achieve Sound Transmission Class (STC) ratings up to 48 dB, isolating interior spaces from exterior traffic noise.

Qualicoat Seaside Powder Coating

To combat salt-spray corrosion in marine environments, all aluminum extrusions undergo chemical pre-treatment (Chromate-free conversion) followed by AkzoNobel or PPG Qualicoat Class 2 / Class 3 fluorocarbon PVDF powder coating, guaranteeing color fastness and surface protection for up to 30 years.

Technical & Procurement FAQ

In-depth technical answers addressing buyer intent, architectural compliance, quality control, and international trade specifications.

Q: What certifications do Tianjin Kross sliding windows carry for North American and Australian markets?

Our products are engineered to comply with AS2047 / AS1288 standards for Australia (tested via NATA-accredited laboratories) and NFRC / AAMA standards for North America. We provide certified structural calculations, U-value ratings, and Solar Heat Gain Coefficient (SHGC) documentation for code compliance approval.

Q: How does thermal break technology differ from standard non-thermal profiles?

Thermal break profiles feature a structural polyamide insulation strip (PA66GF25 with 25% glass fiber reinforcement) inserted between the interior and exterior aluminum extrusions. This breaks the thermal bridge, reducing heat transfer by up to 60% and eliminating interior condensation during extreme cold or heat.

Q: What quality control protocols are executed by your 42 QC technicians during production?

Our 42-member QC department conducts five distinct inspection gates: 1) Raw material chemical and physical extrusion testing, 2) CNC machining dimensional tolerance verification (within 0.5mm), 3) Powder coating film thickness and cross-hatch adhesion testing, 4) 100% trial assembly for sash-to-frame fitment, and 5) Water pressure chamber testing for seal integrity.

Q: What custom finish options are available for wholesale commercial orders?

We offer a complete spectrum of surface treatments, including Qualicoat-certified electrostatic powder coating in standard RAL colors, anodized finishes (15 to 25 microns), real wood-grain heat transfer sublimation, and high-performance PVDF coatings designed for aggressive chemical or high-UV environments.

Q: What is the typical lead time for custom engineered project orders?

Standard production lead time ranges from 25 to 35 days post shop drawing approval and sample confirmation. For large-scale multi-family or commercial projects requiring custom die extrusion creation, die tooling takes approximately 10–14 days prior to mass production.

Q: Can Kross provide OEM hardware integration or custom locks?

Yes, we partner with premier European hardware manufacturers (e.g., Siegenia, Roto, Hoppe) as well as premium tier-1 domestic hardware brands. We can easily customize locking multi-point gearboxes, flush pulls, or motorized automatic sliding actuators tailored to your project's security and design specifications.

Complete Fenestration & Door System Portfolio

Explore our secondary line of specialized American-style, French hinged, folding, and overhead sectional architectural systems.

OUNA American Style Home Casement Window Hurricane Double Tempered Glazed Casement Windows NFRC Aluminum Frame Casement Window

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OUNA True Accordion Style Aluminum Folding Window Compacts Fully to One Side for Maximum Opening Clear Width Custom Finishes

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OUNA Usa Project Engineering Villa Aluminum Sliding Window

OUNA Usa Project Engineering Villa NfrcCertified Aluminum Sliding Window Tempered Glass Heat Insulation Garage Door Other Window

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OUNA French Design Aluminum Alloy Glass Door

OUNA French Design Aluminum Alloy Glass Exterior Entry Door Push-Pull Opening Windproof Stainless Steel Screen 5-Year Warranty

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OUNA Premium Aluminum Folding Window Thermal Break

OUNA Premium Aluminum Folding Window Combines Thermal Break Soundproof and Hurricane Proof for Ultimate Performance and Design

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OUNA 9X8 Overhead Sectional Garage Door with Safe Remote or Automatic Control Premium Quality Accessory

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OUNA Exterior Aluminum French Doors Security Grid

OUNA Exterior Aluminum French Doors with Security Grid Design Black Frame and Tempered Glass for Patio and Main Entrance

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OUNA Aluminum French Doors with Double Swing System for Villa Patio Black Frame Tempered Glass and Secure Lock Operation

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