- Fireproof test for 1 or 2 hours at 1010ºC (1850ºF)
- Dropping test from the height of 4 meters
- High speed drill test (Selected Model only)
- Oyacetylene torch test (Selected Model only)
- Multi-curvatures create water tight crack
- Durable scratch resisting in acrylic urethane painting finish
- Double bolt work and fortified hinges prevent prying door open