Size 
L3000*W2200*H2500mm（size can be customized）
Structure 
Steel frame +Filled PU insulation +inner and outer fiberglass surface +add steel plate shielding layer in the middle
Configuration
A/C with transfer switch, cabinet, electricalsystem, emergency door, lightning protection, equipment shelves, monitoring system, temperature control, working desk and chair, ceiling cable tray, cable inlet window
Character
Fiberglass sandwich panel wall and roof , the dead weight is light ;
High strength , high bearing load ;
Convenient transportation and hoisting ;
Strong corrosion resistance , it can adapt to the harsh environment in the wild ;
Beautiful appearance , environment protection ,easy maintenance ；
Convenient oversize movement and suitable for outdoor environment ；
Good insulation effect, corrosion resistance, waterproof, anti aging.
Application
Can used for temporary passage in the field and emergency communication