The special specification or DID roller shutter:
Slats: 43mm, 45mm, 55mm, 65mm with punched lighting hole or not;
Material: Aluminium sheet with PU insulated;
Density: 45KG/CBM
Color: White color for standard color and other colors can be availabe based on the quantity;
Operation: Manual operation or motorised (wall button or remote control);
Installation: Middle installation, outside installation, inside installation and built in type;
The advantages of DID roller shutter:
*Warm keeping
*Cold proofing
*Theft proofing
*Fire proofing
*Good vision
*Noise reduction
*Wet proofing
*Rain proofing
*Pear-against
*Wind&sand proofing
Audited Supplier 
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