The crystal rolling up door is made up of hundreds of pvc door pieces that pass through the steel tube. It has the advantages of transparency, anti-theft, anti-rain, dust and dustproof. Crystal shutter doors are widely used in supermarkets. They are also suitable for interior opening doors that require high visibility. When the door is closed, the noise can be greatly reduced, providing a quiet working environment. The transparency of the crystal shutter door provides excellent visibility.