Steel Fire Door By Guangxi Zhengtonghe Safety Technology Co., Ltd

We are a reputed name in this industry as a Manufacturer & Exporter of Steel Fire Door in Nanning, Guangxi, China.
1. Certificate:
Chinese standard GB 12955-2008i CCC certification
A
2. Fire rating:
Grade A a Y90 minutes, Grade B a Y60 minutes, Grade C a Y30 minutes

3. Door leaf:A
cold a roll galvanized steel sheet
using new type of fire door filling materials within the door leaf, density is 360kg/m3;

4. Door frame:
cold a roll galvanized steel sheeti
The gibblet check sets 5 mm thick inorganic composite fire prevention board and inflation fireproof sealing strip.