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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Gui-card security doors you willing to create a safe, happy and peaceful home environment to make contributions.

归燕牌防盗门愿为您营造一个安全、祥和欢乐的家居环境做出贡献。

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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

It allows Dr. Gasson to gain access through security doors and activate his cell phone all of which still sounds odd and futuristic enough though the technology has been used for applications as mundane as paying for drinks in upscale nightclubs already for years.

FORBES: Scientist Infects Himself With A Computer Virus

No matter the locked doors and security cameras or the smooth, unscalable surface of the building itself a determined man could storm the castle.

NEWYORKER: Shauntrelle