OEM/ODM Aluminum Folding Doors Manufacturer & Factory

Precision Engineering, Global Quality, Architectural Excellence

Our Elite Product Selection

OUNA NFRC US Standard Exterior Hurricane Proof Bi Folding Door

View Details

OUNA Contemporary Cast Aluminum Blast Security Door

View Details

OUNA Wholesale Price Modern Waterproof Aluminum Wooden Door

View Details

OUNA Waterproof and Ventilation Aluminum Roof Skylight

View Details

OUNA AS2047 CE House Outdoor Aluminum Alloy Slide Door

View Details

Aluminum Exterior Louver Sun Shade for Windows

View Details

OUNA High Quality Custom Aluminum Entry Door

View Details

OUNA Canada Project Villa Hurricane Impact Sliding Door

View Details

Industry Leadership & Strategic Capability

Founded in 2015, Tianjin Kross Window & Door Technology Co., Ltd. has evolved into a global powerhouse. Spanning 35,000 sqm of state-of-the-art manufacturing, we leverage 11 years of deep industry expertise to deliver high-performance aluminum folding door systems. With $31 million in annual exports, we serve elite developers and contractors across North America, Europe, and Australia.

Trends & Macro Solutions

The global demand for energy-efficient, hurricane-resistant architectural openings is at an all-time high. Kross addresses these needs with Thermal Break Profiles and Triple-Glazed Acoustic Glass. Our R&D department, comprised of 58 engineers, ensures that our OEM/ODM solutions integrate seamlessly with modern smart-home ecosystems and sustainable building standards.

Quality Assurance & Compliance

Our quality control team of 42 technicians employs a Rigorous Testing Protocol:

  • Water Tightness & Air Infiltration Testing
  • Structural Load-Bearing Verification
  • Compliance with AS2047 and NFRC standards

Frequently Asked Questions (FAQ)

Q: What is the lead time for custom orders?

We leverage 850+ supply chain partners to ensure rapid production cycles, typically 30-45 days depending on project complexity.

Q: Do you offer OEM/ODM services?

Yes, we are a dedicated factory for architectural customization, from custom anodized finishes to large-span structural designs.

Q: Are your doors hurricane-proof?

Our systems are tested to meet international impact standards for high-velocity wind zones, ensuring maximum safety for villas and high-rises.