Inflatable door seal is installed in cold chain logistics overside port, which is used for insulation sealing between logistics overside port and truck. It is especially suitable for occasions the size of truck changes greatly. Pneumatic charging and discharging system are controlled by onebutton switch, which is convenient and quick to start. Effectively it prevents the cold air from entering the warm room or the hot air into the cold storage, which achieves energy saving. Inflatable door seals tightly surround the sides and roof of the van and have no effect on the opening of the doors. After loading and unloading, turn off the blower, under the action of the counterweight and the tensioning wire rope, the gas is discharged from the air bag rapidly. Subsequently the truck can leave quickly.

Door seal is installed in refrigeration storage .when loading and unloading, dock seal can be fitted with freight truck to provide tight and effective seal. It can also form a closed space with the van type truck, windproof, rain proof, dust proof and block the external hot air, keep the temperature inside the cold storage.

Dock seal is used for simple seal between trucks and overside port .In order to ensure work quickly and safely. According to the size of the carriage, it can be adjusted flexibly to suitable for various occasions, so it can meet needs of a wide range of customers. The high quality of top and side panels which are mounted on steel frame of retractable .This product is designed to be flexible and durable. The curtain plate and the frame are ind- ependent parts. Components can be easily assembled with bolts. It has the advantages of simple structure, lost cost, reliable work, convenient replacement and maintenance for wearing parts, etc.