Full-Open sliding&folding thermal-break Bi-fold Window System for northern area on China WDMA exterior 2) Absorb modulus: NRC=0

2) Absorb modulus: NRC=0

swing door:600mm(W)*1000mm(H)

maintaining frame integrity during shipping and installation

3) Security

Full-Open sliding&folding thermal-break Bi-fold Window System for northern area on China WDMA exterior 2) Absorb modulus: NRC=0Product Description Outward swing to save more space. More convenient to open with two panels correlated you will find it easier to clean the external glasses. The track is solid stainless steel which is more heavy more durable. Detailed Images FAQ Q: How Can I trust your company? Mywindow: zola is a suppliers with over 10 years experience in the full open window system industry. In addition, we have a very strong research development team . we have