At the international level, classification systems with various levels are used to determine the security level and durability of steel doors. The TS 12655 standard is a series of...
Turkey's first 6th level security steel door
Kale Steel Door maintains its innovative and pioneering structure in the sector, while providing high durability against dangers, with its 6th level security steel doors produced from quality steel materials with high properties in terms of durability and resistance.
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