NEWS

2023.01.16

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.

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2023.01.09

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.

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2023.01.04

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.

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2022.12.30

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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2022.12.27

How to Select Steel Security Fire Exit Door

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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2022.12.23

How to choose a fire door

When buying a fire door, you must first judge the quality of the fire door by its appearance. If it is a good fire door, the distribution of solder joints on the appearance will be relatively uniform, without obvious defects, and the spray paint will appear smooth.

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