High-speed doors for cold room is called cold room PVC high speed door, cold storage fast door ,rapid door for ice room,which is a kind of door curtain with PVC (polyvinyl chloride) and foam material as the material of barrier-free isolation door, mainly uses in industrial applications.It offers a higher operating speed due to its light weight and durable construction.It is nearly 10 times faster than the ordinary steel shutter door.they are able to sustain a higher number of cycles (about 500-800 cycles per day of opening and closing ) and only require lower maintenance and repair cost.