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Jan 31,2023
Installation and maintenance of Steel Airtight Door in china
After the Steel Airtight Door in China is installed, it needs to be safe to use.
Jan 16,2023
Classification of Steel Airtight Door
Steel Airtight Doors are all flat-opening. Divided according to the number of doors, there are two types of air defense doors: single air defense door and double air defense door.
Jan 09,2023
Understanding of Steel Airtight Door
Steel Airtight Door adopts flat opening type. Divided by the number of doors, there are two types of air defense doors: single air defense door and double air defense door.
Jan 04,2023
Precautions for the use of medical steel airtight doors
Steel airtight doors are suitable for all types of hospital buildings, including operating rooms, treatment rooms, outpatient rooms, departments, wards and other places.
Dec 30,2022
Introduction to the role of steel fire doors
What we need to check is whether its raw materials are high-quality fireproof materials, including its door leaf, door frame and the stuffing inside the door; and whether it has reached the corresponding fireproof according to the division of fireproof standards.
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