Aluminum alloy door is the surface of the treated aluminum alloy profile, through the cutting, drilling, milling, tapping, production and other processing technology made of the door frame components, and then the use of connecting parts, sealing materials and open and close hardware accessories combined assembly of a door. Aluminum door profiles and glass styles are divided into north and south. In the north, thick aluminum and steady style are the main characteristics, and the most representative is the grid style, and the most characteristic of the grid is Tangge. The south is characterized by diverse aluminum shapes and lively styles, the most representative is the flower glass style, and the more distinctive styles are lattice, ice sculpture, shallow sculpture, crystal shell and so on.
Fixed windows are windows that are usually made of glass directly inlaid on the window frame or the window sash is fixed on the window frame and cannot be opened. They are only used for lighting and viewing. They are usually used for lighting windows in corridors, stairwells and certain parts of general windows.