
60.4mm hook edge visible surface (border embedded). Ultra-high glass-aluminum frame ratio. More harmonious and close to the natural environment.

Crafted from high-performance 6060-T66 medical-grade aluminum alloy and patented stainless steel technology, combined with innovative craftsmanship for extraordinary durability.

Imagine world-class technology, meticulously crafted into an elegantly slim system. Each panel is only 34mm thick, resulting in a lighter, more streamlined design.

Almost every detail of the system can be personalized to match bold architectural concepts, allowing creativity without boundaries.

Patented high-performance insulated glass system allows for elegant glass panels customized to different lifestyles and severe weather conditions, showcasing exceptional quality.

A low-maintenance system combined with advanced acoustic control and thermal insulation technology supports an ideal living environment throughout the year, truly achieving both comfort and efficiency.

The SLEEK86 series narrow-frame inward opening tilt-turn windows feature a minimal visible frame overlap of just 60.4mm, delivering a sleek, minimalist visual experience. Compared to traditional inward opening tilt-turn windows, the SLEEK86 significantly enhances the viewing area, providing abundant natural light that brightens the interior space. Its design eliminates the base and incorporates a hidden side handle, complemented by original Sobinco concealed hardware imported from Belgium, redefining minimalist aesthetics for modern living.
It uses a special alloy die-cast corner bracket, with a sash bearing capacity of up to 90–180 kg, greatly improving structural strength and safety. The glass groove supports a maximum thickness of 42mm, allowing flexibility in choosing different types of glass. Additionally, the series supports optional professional ground-to-ceiling railing design, paired with clean lines to showcase a contemporary look and elevate household style.
| Performance Index | Value | Unit | Level |
| Thermal Insulation | 2.0 | W/(m²·K) | 6 |
| Sound Insulation | 38 | dB | 4 |
| Water Tightness | 750 | Pa | 6 |
| Air Tightness | 0.5 | m³/(m²·h) | 8 |
| Wind Pressure Resistance | 5.0 | kPa | 9 |
Fully automated production lines ensure processing precision. Our craftsmanship originates from gratitude to our customers.
Exclusive strategic partner of SLEEK WINDOR in China region, UK
Shanghai High-tech enterprises and Shanghai "Specialized, refined, distinctive and innovative" enterprises
The modern production base located in the Qingpu Industrial Zone of Shanghai, is equipped with customized production lines of automated robots, and provides services for over 2,000 high-end clients annually.
The doors and windows products enjoy a 2-year free warranty service starting from the date of successful installation and acceptance.
Professional sealing system design, offering a 5-year waterproof warranty guarantee.
Offer lifetime maintenance services for doors and windows products, ensuring you have no worries during use.