1.0.3mm-1.0mm steel sheet as door

2.0.6mm-2.0mm steel sheet as frame

4.Door surface treatment : powder coated , heat transfer and copper painting

5.In filling material in door: honeycomb paper ,rock wool

6.Opening direction :outside ,inside ,left and right

7.Accessory for door: lock ,handle, cylinder ,hinge and bolt

8.Certificate : CE , ISO and SONCAP

9.OEM is available