- 15
- Oct
Өртке төзімді болат есік
The steel fireproof door is a door frame, door leaf frame and door leaf panel made of steel materials. Steel fireproof door is a door with certain fire resistance, which is composed of fireproof hardware fittings.
The steel fireproof door is a door frame, door leaf frame and door leaf panel made of steel materials. Steel fireproof door is a door with certain fire resistance, which is composed of fireproof hardware fittings.