... , OHSAS18001, SONCAP. 3. Elegant design and easy assemble. Steel Security Door 1. New desgin in 2010, 2. CE, ISO9001, 14001, OHSAS18001 ... change another thickness)Steel sheet thickness of door frame1.0mm (you can change another thickness)Hinges/ pcs3 pcsLock systemMechanical system, 13 pointsSurface ...