When traveling by plane, whether it is boarding or flying at an altitude of 10,000 meters, the appropriate temperature and fresh air in the cabin are the basis for a pleasant travel. And these are the important tasks of the air management system.

Seals​ are parts that prevent the leakage of internal substances in mechanical equipment and the intrusion of external impurities into the interior. They are widely used in the industrial field and are indispensable. The performance of seals directly affects the performance of mechanical equipment.

Breakpoint repair method of high-pressure inflatable sealing shroud in high-speed wind tunnel: the ventilation skeleton is inserted into the breakpoint, and both ends of the shroud are bundled on the ventilation skeleton, and then repaired by applying sealant.