This is cold storage room fast door, it's very popular in food, freezer room fast door, pharmaceutical and chemical industries. Do you know why it is so popular? The first thing I want to say is speed. Freezer room insulated fast door is speed can reach 2 meters per second, which can help workers quickly in and out, reduce the loss of cooling air, save energy. Secondly, the whole structure is 0.9mm, PVC double-coated wear-resistant substrate, durable, easy to clean, the frame material is 304 stainless steel. All doors can be customized according to your needs. Roller shutter door is another popular option in this category. Finally, the most important is safety, we equip each set of doors with infrared light, which is standard, and when workers or goods suddenly pass by, they will be detected and the doors will stop operating.