位于大连开发区工业团地的三菱电机公司一期厂房、宿舍工程的外墙铝合金窗共１７５樘，计９００ｍ２。为了提高保温性能，在铝合金门窗制作安装前，将所有进场的铝材方管和窗框均尝试采用聚氨酯复合发泡保温材料进行填缝施工，后又在二期宿舍和富士塑料厂房、宿舍、办公楼... Located in the industrial zone of the Dalian Development Zone, Mitsubishi Electric’s first-stage plant and dormitory project has a total of 175 walls of aluminum alloy windows, measuring 900m2. In order to improve the heat preservation performance, all the aluminum square pipes and window frames that were entered into the aluminum alloy doors and windows were tried to be caulked with polyurethane composite foam insulation materials before the production of aluminum alloy doors and windows, and later in the second-phase dormitory and the Fuji plastic factory building. Dormitory, office building...