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German Roto is a professional door and window hardware brand with multiple safety and anti-drop detail designs, stable performance, and more flexible opening and closing.

Hoppe handle imported from Germany, ergonomic design, comfortable operation, 10-year mechanical function warranty. Various ventilation methods, such as casement or inward tilt.

Unique bulletproof, explosion-proof, and pry-proof structural designs of doors and windows create a safe and comfortable living environment.

A window specially designed for confined spaces, with a hand-opening operation method that flexibly controls the opening angle and promotes indoor and outdoor gas exchange.

The texture of the log makes a window breathe as a home material; it is light, vivid, and rich, forming a flowing landscape. High-quality 304 stainless steel gauze with high-density anti-theft and anti-mosquito properties expands the practical functions of system doors and windows.

Flush frame design, smooth and smooth appearance, exquisite and simple. Hidden drainage design, engineering design, and extremely fast drainage prevent rainwater from pouring back.

Exquisite appearance, continuing the simple and fashionable style of European doors and windows. Hardware brand imported from Germany, the anti-theft level reaches the German RC2 level, with stronger corrosion resistance and pressure resistance, is firm and durable, and is widely welcomed by consumers.

The combination of passive energy-saving technology and an extremelynarrow Italian-style structure is simple and smooth,and the home style is more elegant.
The combination of natural wood and 4SG’s long-lasting sealing systemcreates a livable space with constant temperature and humidity.

Self-cleaning,high penetration gauze. Originated from Japan’s NBC cutting-edge technology,super-hydropho- bic,not easy to get dusty,high-definition vision,physical mosquito repel-lent. The hardware brand used by the German Chancellery is Winkhaus. 100%imported from Germany,24mm pure steel lock block, super anti-corrosion coating, anti-theft standard up to RC2 level and above, bringing a safer and more stable living environment for the family.

Ultra-narrow frames allow for panoramic views, bringing natural beautyindoors.High-end brand hardware imported from Germany,excellentperformance to create high-end quality.

International external hanging installation: the passive window and the external wall insulation are at the same level, forming an effective isotherm, reducing heat loss by about 20%, and a professional waterproof and air barrier membrane and breathable membrane effectively ensuring the air tightness of the passive window.

• Innovative, high-quality wooden window with integrated screen, offering versatility and superior functionality.

• Innovative, high-quality wooden window with integrated screen, offering versatility and superior functionality.

• Innovative, high-quality wooden window with integrated screen, offering versatility and superior functionality.

• Innovative, high-quality wooden window with integrated screen, offering versatility and superior functionality.

• Innovative, high-quality wooden window with integrated screen, offering versatility and superior functionality.