50 series aluminum profile modern upvc/aluminum tilt and turn window&doors with steel window scr

Tilt-turn window not only contains good ventilation as casement window,it also gives you fresh air even at night, yes you can tilt open it even at night ,with special accessories no theif can go thought under this open ,this design especially popular at higher floor in hotel project
For tilt and turn window , every single open leaf have size limitation,
400mm≤width ≤750mm , height≤1200mm,
under this dimension can maximize the good using experience and also expand the long service life of accessories