Specifications

Features:
1) Simple and rational structure with luxurious, beautiful and natural
appearance
2

Features:
1) Simple and rational structure with luxurious, beautiful and natural
    appearance
2) European advanced technology, and using equal tension and decompress cavity 
    sealed to drain off water
3) Circular casement with smooth lines, like the wooden line type material and 
    wooden window
4) Corner made of zinc-aluminium alloy material
5) Inside fixed by hexagonal screw, with high quality hinge convenient and flexible
6) Ventilated inside, and can install invisible window screen outside
7) Hollow glass of 5+12A +5 or 5+9A +5
8) Exterior open casement window can be installed window remote control, inside can
    be installed window screen
9) Can also use and share accessories of model 63TT, 55TT extrusion