Commercial shop polycarbonate aluminum Pc transparent slat accordion folding sliding security shutter Roller Doors Specifications: Aluminum alloy crystal folding door is made of high grade aluminum alloy profile and high strength PC board, can be pushed to the side, less space.It has beautiful shape, rigorous structure, and it's firm, reliable, safe and practical.   Polycarbonate Crystal Rolling Shutter or Accordion Door Operation Manual, Motor or Hand Chain Material 100% Polycarbonate / Stainless Steel Central Spindle / Aluminum Frame Thickness 1.0mm Inner / Outer Diameter of Pipe Φ 12.8 mm / Φ 18.4 mm Leaf width 150mm Door Size Customized Color Transparent, Frosted or Customized   Product Details: Material :Plastic, polycarbonate Size: Customized Color :Transparent Open way: Vertical Opening Opening Pattern :Vertical Thickness: 1.0mm Function: Anti-theft Packing Size :Customized   ​