Concise design for PVC Folding Door With four sash or six sash 14. Folding Door Style: free combination Frame Material: 60/70 series, available brand: Conch/Kinpeng/Rehau/Dimex/Koemmerling/Veka, three-chamber and five-chamber ; Huapeng aluminum-plastic co-extrusion profile. Profile color: white, full color and Renolit laminated wooden color. Hardware: hardware system for folding door + handle transmission system/simple locking system; imported hardware brand is available like ROTO/GU/Siegenia. Glass: glass thickness range from 4mm to 30mm for three-chamber profile; 5mm to 37mm for five-chamber profile, PVC/aluminum grids are available between insulated glass as decoration. Installation: by bulge head screw /by fixing plate Screen: folding screen Sizes: 600mm < width of single-sash < 950; 1800mm < height of single-sash < 2400 Characteristics: wide opening space, good sealing effect, simple and elegant, suitable for garden, swimming pool and balcony.