Material:
Frame: Eucalytus board, Natural-Northeast pine, steel frame with emptied inside.
Paint: Lacquer, pure lacquer or colored lacquer.
Terms: Steel fire-proof lock(or well lock), hot-proof chain, lock and so on
Board: Wood decoration board, real wood, compressed board, PVC or fire-proof surface.

Main technical functions:
1, Fire endurance limit: Grade A>1.5H
Grade B>1.0H
2, surface type: Flat door, door decorated with glass, ornamented door, glass door.
3, Installment Size: Size of construction door, windows and holess in "GB5824-86"can be altered according to orders of customers.