https://www.chinaautomaticdoor.com/automatic-door/airtight-door/airtight-automatic-sliding-door.html https://www.chinaautomaticdoor.com/uploads/17362/small/airtight-automatic-sliding-door8bc20.jpg Airtight Automatic Sliding Door SAFEDOOR AIRTIGHT AUTOMATIC DOOR meets the national airtightness grade standard (GB13686-92), achieving the highest Level 8 classification. It features high-quality sealing strips inlaid around the perimeter and possesses a maximum sinking amplitude, ensuring a tight fit against the door frame when closed. This design allows the door leaf to achieve excellent airtight contact with the door frame, establishing indoor and outdoor pressure differentials to prevent cross-infection and maintain a sterile environment, thereby demonstrating superior airtight performance.It is an automatic door which customized for medical operating rooms and clinics that are clean and hygienic... https://www.chinaautomaticdoor.com/uploads/17362/video/2025121616140945088.mp4 2025-12-15T10:41:34+08:00 yes no