The door and window are designed as steel fire protective door, aluminum alloy window and shutter.
门窗设计：主要有钢质防火门、铝合金窗及百叶窗。
It is the mechanical and electrical properties of the fire products, so the installation of fast shutter door should always be in a normal state.
它是机械与电器综合性能的消防产品，因此对安装好的快速卷帘门应始终处于正常状态。
The door and window are designed as steel fire protective door, aluminum alloy window and shutter.
主要有钢质防火门、铝合金窗及百叶窗。
We had better buy a fire resistance rolling shutter door.
我们最好买个防火卷帘门。
Guangzhou yajunyun door industry co. , LTD is a professional design, production, sales, installation of fire doors, fire shutter, fire glassdoors, security doors production enterprises.
是一家专业设计、生产、销售、安装防火门、防火卷帘门、防火玻璃门、防盗门的生产企业。
Guangzhou yajunyun door industry co. , LTD is a professional design, production, sales, installation of fire doors, fire shutter, fire glassdoors, security doors production enterprises.
是一家专业设计、生产、销售、安装防火门、防火卷帘门、防火玻璃门、防盗门的生产企业。
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