Gate, fire doors, extendable doors, security doors production.

卷闸门、防火门、伸缩门、防盗门的生产。

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Yan security doors under the slogan : "users first, service first, the first products, safety first."

归燕防盗门的口号：“用户第一、服务第一、产品第一、安全第一”。

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When installing security doors, residents should choose the products of regular manufacturers and do not purchase inferior products.

居民安装防盗门要选择正规厂家的产品，不能图便宜买劣质产品。

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The county council said it would add security doors and make lone workers have regular contact with guards.

BBC: Norfolk County Hall: New security measures after trespass

If they do, security services break down the doors and force them to open, they said.

WSJ: Strife Is Closer to Home in Damascus

We lock our doors and install security systems to protect us from anything that may be dangerous.

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