Topwindow Aluminium Accordion Folding Window Aluminum Folding Patio Windows on China WDMA Type:Sliding Windows Shutter width =outer window width

Shutter width =outer window width +10cm

Automatic production lines under strict quality control to guarantee the quality

and sell well in the domestic and international market

4)acid washing

Topwindow Aluminium Accordion Folding Window Aluminum Folding Patio Windows on China WDMA Type:Sliding Windows Shutter width =outer window widthTopwindow Aluminium Accordion Folding Window Aluminum Folding Patio Windows Manufacturer&Desginer Structural features: 1. Adopt double guarded design, to increase the wind resistance index. 2. Use the open wood technology for splicing frame, and use imported waterproof glue before splicing, the colloid is fully extruded when we fasten screw, so the waterproof problem is solved. 3. Profile adopts European standard hardware notch, muti point locking, to