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Energy Efficient Thermal Break Aluminum Profiles Beyond Industrial Standards
Engineered for thermal efficiency, acoustic insulation, and long-term durability.
We offer a 15-year performance warranty covering airtightness and watertightness for all our aluminum window and curtain wall systems. Beyond product quality, we provide 24-hour remote customer support to help you solve issues quickly—whether it's technical consultation, installation guidance, or after-sales service.
| Parameter | Specification |
|---|---|
| Product Name | Vinyl Doors |
| Profile Thickness | 3.0mm, with 1.5mm steel lining |
| Profile Brand | Zhongcai / Conch |
| Glass Type | Single/Double/Triple/Quadra/Tempered/Laminated/Bulletproof/Low-e |
| Glass Thickness | 5mm+12A+5mm / 6mm+12A+6mm / Customized |
| Hardware | Chinese brand: Kinlong / German brand: Roto, Siegenia |
| Color | White / Black / Customized |

Founded in 2010, our company specializes in high-performance windows, doors, and curtain wall systems. We've completed 200+ major commercial developments and over 5,000 residential projects. As long-term partners of leading developers, we offer proven expertise in large-scale and custom solutions.
Our 120-acre facility houses 70,000 sqm of CNC-equipped workshops, supporting an annual output of 500,000 sqm. With nearly 10 million sqm delivered globally, our certified products ensure top-tier performance and energy efficiency.





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