SINOGAR 70 Panoramic Patio Door Systems System Description 70 accordion folding sliding auminium doors series with superior insulation from U value =2.0w/sqm K. 1. High quality aluminium extrusion profiles for strength & performance 2. Unlimited width system 3. Up to 10′ tall 4. Panel width of 20″ to 40″ 5. Interlocking tongue-n-groove for superior seal and security 6. Concealed multi-point locking system for ease of operation and security 7. Thermal core for reduced thermal transfer 8. Add a screen system for year-round comfort and protection 9. Customized accessories 10. Warranty 10 Years…