China security steel door is an essential component of building security systems, providing protection against forced entry, intruders, and harsh weather conditions. Among the various types of steel security doors available, roll-down, decorative, and industrial variations offer important features and benefits tailored to different security needs and aesthetic preferences. In this article, we...

Fire prevention principle of security steel doorThe reason why the security steel door can play an important role in the fire is mainly due to its unique structural design and material choice. First of all, this kind of door body usually uses high-quality steel as the main frame, the steel itself has high heat resistance and structural stability, and is not easy to deform or melt in high...