Vertical lifting cold storage insulation door: specially built for high-standard cold storage, the door body slides vertically under the roof to completely release the operation channel.Adopt high density polyurethane integral foam, cold-breaking bridge design and EPDM sealing strip resistant to-40℃, lock temperature and save energy.Built-in torsion spring balance system, smooth and silent opening and closing; equipped with infrared anti-pinch and manual power release function, safe and worry-free.Crash-resistant anti-corrosion, is the food, medicine cold storage of the preferred program.