Новости отрасли

2022.11.17

A, B, C fire door use places

1) The opening of the firewall. 2) Cinemas, auditoriums, theaters. 3) The doors of each equipment room in the refuge area. 4) The high-rise ward building is near the door of the stairwell.

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2022.11.15

Installation method of steel fire door

There are some differences in installation methods between steel fire doors and wooden fire doors. It is also slightly different from the fire rating. You must pay attention to the details when installing.

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2022.09.26

How to choose a security door

The most common type of security door on the market now is the physical security door. The fence type security door made of steel pipes in the past has been eliminated by the market.

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2022.09.16

Airtightness requirements for fire doors

Steel fire door refers to the door frame, door leaf frame and door leaf panel made of steel material. If the door leaf is filled with material, it is filled with non-toxic and harmless fire-proof and heat-insulating material, and it is composed of fire-proof hardware accessories.

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2022.09.01

Airtightness requirements for fire doors

The national standard has clear requirements on the size of the gaps at the lap joints of fire doors: for steel fire doors, it is required that the overlap between the sash and the door frame should not be less than 10mm,

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2022.08.30

Installation method of steel fire door

There are some differences in the installation method between steel fire doors and wooden fire doors. It is also slightly different from the fire rating.

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Название компании: Jiangyin Zhonglian International Trade Co., Ltd. 
Контактное лицо: Mr.Zhou (генеральный директор) 
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loki.zhou@zhongliantrade.cn (Phone/Whatsapp:+86-13706160172)
steven.zhao@zhongliantrade.cn (Phone/Whatsapp:+86-13771239482)
vivian@zhongliantrade.cn (Phone/Whatsapp:+86-13771612725)
jason.mo@zhongliantrade.cn (Phone/Whatsapp:+86-18625137815)
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Alibaba：zhonglianguoji.en.alibaba.com

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Made-in-china：zlsteeldoors.en.made-in-china.com

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