... ) 3. Infills: Honeycomb material or polyurethane or rock wool. 4. Locks: Specialist security lock with more locking points. (alternative available) 5. Design ... be as per requirement (height*width*thickness) 10. Accessories: Hinges, locks, handles, viewer(peephole), doorbell, rubber seal, installing bolts,cover11. Opening ... 16. Certificate passed: ISO9001, CE17. OEM&ODM is available steel security door