How can the aluminum alloy window be fixed with the corner and the whole frame?
The general approach is to fix the whole frame in the frame mounted on the wall and hit the iron, steel nails or expansion screws, then iron and fixed, then fill foam, after solidification with cement lime and smooth wall.
Foshan windows and doors mature products manufacturers have matching doors and windows products dedicated corner, because the corner and the doors and windows connected to the width of the frame to coordinate. Generally used corner has 90 degrees, 135 degrees, and universal corner. Albert doors and windows have a complete solution.