China Wholesale Aluminum Door With Window Factories & Exporter

Advanced Engineering | Global Supply Chain | Certified Quality for Modern Architecture

Featured Industry Solutions

OUNA Germany Project Villa Certified Aluminum Window

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OUNA NFRC Hurricane Proof Bi-Folding Door

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OUNA Slim Frame Aluminum Skylight

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OUNA Insulated Sandwich Panel Garage Door

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OUNA Soundproof Energy Saving Sliding Door

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OUNA Custom Aluminum Front Entry Door

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OUNA Modern Electric Vertical Lift Window

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OUNA Thermal Break Aluminum Sliding Window

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The Evolution of Aluminum Fenestration: Industry 4.0

Founded in 2015, Tianjin Kross Window & Door Technology Co., Ltd. has transitioned from a local manufacturer to a global player with a 35,000 sqm facility. We leverage Industry 4.0, integrating CNC precision and IoT-enabled quality control to deliver $31M in annual exports. Our growth is fueled by 58 specialized engineers who ensure our designs meet rigorous standards like NFRC, CE, and AS2047.

Global Supply Chain Resilience

In a volatile global market, Kross provides the stability partners need. With a network of 850+ supply chain partners, we guarantee material availability and cost efficiency. Whether for luxury villas in Europe or commercial high-rises in Australia, our 42 QC technicians perform over 100 distinct stress tests, including water tightness and structural load simulations, ensuring every product is 'built for purpose'.

Frequently Asked Questions (FAQ)

Q: Are your windows NFRC certified?

Yes, our products undergo rigorous NFRC and AS2047 testing for global compliance.

Q: What is your lead time?

With our advanced 35,000 sqm facility, we maintain agile production schedules tailored to project deadlines.

Q: Do you offer custom thermal break profiles?

We specialize in bespoke engineering, including triple-glazed acoustic glass and custom anodized finishes.

Our Extended Product Range