It operates in more than 60 countries and regions and has a technical service center in a number of countries.
Unique 7 aluminum accessories with IP54 protection
Hardened aluminum alloy 6063 (AD31) with high corrosion resistance
In case of internal drain icing, prevent turning and squeezing.
The use of steel pipe cylinders, high-strength pressure, clean and wear-resistant, telescopic does not stop.
Provides tighter fit between the window frame and the frame structure.
Provides invisible protection against vandalism and secure fixation of the outer frame flap.