LVDUN Aluminum Framed Double Glazed Sliding Vertical Folding Bifold Glass Windows Drawing Type:Bifold windows our factory are Verified by

our factory are Verified by NFRC(National Fenestration Rating Council)

Good air and water proof

architect and individual house

so we don't have the price list

Standard Package

LVDUN Aluminum Framed Double Glazed Sliding Vertical Folding Bifold Glass Windows Drawing Type:Bifold windows our factory are Verified byPlace of Origin: Shandong, China Frame Material: Aluminum Alloy Open Style: Folding Opening Pattern: VERTICAL Screen Netting Material: Stainless Steel Product name: Aluminum Bifold Window Color: Customized Colors Hardware: Chinese Top Brand Germany Brand Glass: Single, double, tempered, laminated, frosted glass Material: Aluminum Alloy+Glass+Accessories Glass Type: Low E or normal Surface treatment: Powder coating,anodizing,electrophoresis,wooden