Retractable Window With Aluminum Frame

Retractable window with aluminum frame This window is beautiful and easy to install. And it is popular in Europe. The annual sales volume is very large.  The feature is as following 1.The window screen is good for mosquito proof. 2. Open and close at will. 3. easier and convenience to assembling; 4. luxury style Packing: every set packed into a white box with color ;ab;e, then 4 or 6 pcs packed into a brown carton.