son and mother steel door 1.damp proof, heat insulation,sound insulation,anti theft,anti moth 2.high quality, ... Cold-rolled steel sheet for door leaf and frame with heat transfer-printing or powder coating. (steel sheet thickness available ... --1400mm, Door leaf thickness: 50,70,90mm3Surface finishPowder coating and heat trans-printed and metal paint4Accessories Hinges, lock, handles, doorbell, ...