Main frame of the shelter：Q235 rectangular galvanized steel。Full welding process treatment, polishing and cleaning, putty leveling

Wall system：Internal to external wall system tensile wall。Corrosion protection configuration

bottom：Ship paint treatment。Waterproof sealant joint treatment

ground：18mm cement pressure plate。Equipped with buffer film and anti falling nails

Paint finish：Fluorocarbon paint surface (regular white gray)

heat preservation：Fire insulation extruded board。PU polyurethane gap filling

Interior wall decorative panel：Bamboo and wood fiber board。Sound insulation, flame retardant grade up to B1, waterproof, non moldy, and easy to install

door、window：GR55 door and window materials are insulated and sprayed with 5+9+5 tempered glass on the outer frame, coated with film,