• Protective shell installation

    Protective shell installation

  • Pipe crossing

    Pipe crossing

  • The overall effect of the conversion layer fire pump room

    The overall effect of the conversion layer fire pump room

  • Roof fan

    Roof fan

  • Installation of lamps and lanterns in underground garage

    Installation of lamps and lanterns in underground garage

  • Pipeline crossing civil defense

    Pipeline crossing civil defense

  • Load-bearing bracket installation

    Load-bearing bracket installation

  • Integrated pipe gallery

    Integrated pipe gallery

  • Crossing civil defense treatment

    Crossing civil defense treatment