The PVC high speed roller shutters has a high speed partition function. The cold splicing process makes the curtain more smooth and beautiful. The segmented splicing reduces the maintenance cost, reliability, practicality, easy opeartion and low maintenanace costs. This door is the most economical selection for the facility entrance, to prevent the entrance, widely used for the electrical, mechanical, food, pharmacy, chemical, textile, printing, supermarket and the logistics & warehiousing.