免费观看黄A片在线观看,乱码1乱码2美美哒,男男做愛高潮抽搐男精,白色乳息樱花未增删带翻车,被黑人强到高潮喷水A片

Smoke Barrier

2021-05-20 813

Executive standards:

GA 533-2012 Smoke barrier;

CNCA-C18-02 : 2014 Compulsory Product Certification Implementation Rules Fire Protection Products;

CCCF-HZFH-03 Compulsory product certification implementation rules fire protection products fire and smoke exhaust equipment products;

 

Product Advantages:

1. High-grade appearance, high safety factor, and does not affect lighting.

2. Effectively block the flow of smoke laterally under the roof of the building.

3. Improve the smoke exhaust effect in the smoke prevention zone.

 

Scope of application:

It is widely used in places where people and logistics are not large, but places with high decoration requirements, such as large shopping malls, high-end hotels, conference centers, cultural centers, high-end office buildings, underground garages and other places.


Product Node Diagram:


Top