... structure core: steel thickness for door panel avalilable from 0.6-1mm 2.strengthen door frame: cold rolled steel thickness ... honey comb (other infilling material acceptable) 5.locks:special security locking system with more locking points. 6.color: diversified ... : 2050*860~960*50~90mm (non-standard door acceptable) 8.accessories: inserted lock, handles, hinges, expandable installation bolt, wide ...