... packing 3). Light steel housing, the original building sandwich room 4). Moving room 5). Various purification room. Air conditioning room, ... , 10 kg ~ 14 kg or so/square meters, which is equivalent to 1/30 of the brick wall2. Heat insulation, attract and ... flexible installation, construction period can be reduced more than 40%; 4. Bright color, beautiful appearance, need not surface decoration;5. ...