1, door frame size deviation requirements should meet the relevant provisions.2. The assembly gap of adjacent members of door frame and fan and the height difference of the same plane should comply...
1. Because the building wall adjacent to the door and window hole has its own defects, the rain water directly penetrates into the room through the wall under the action of wind load, especially wh...
1, broken bridge aluminum doors and Windows processing and production should be carried out in the factory, not in the construction site, the production of doors and Windows should meet the design ...