Features: 1. Fitting: germany siegenia hardware accessories; 2. Aluminum material: 65 series of heat-insulation aluminum alloy profile; 3. Glass: mid-hollowed tempered glass; 4. Color: heat transfer printing with timber grain or powder coating; 5. Application places: hall, gate of business place, countyard, etc. Advantages: 1. Inward folding: the opening direction is to inward folding, the design is flexible, which can design 1+x doors per exact space; 2. Free use of space: it can pushed or pulled with one-door, two-door or muti-door; opened in a folding way, also can all opened or closed, which free use of your space; 3. Waterproof, sound-insulation and heat-insulation: used the bridge-cut-off aluminum alloy profile, mid-hollowed tempered glass which good at waterproof performance, sound-insulation and heat-insulation. 4. Durable and good design and load-bearing. Good and safe packing