The first is the aluminum alloy used in ingot casting.
The second is that the material is homogeneous when the ingot is finished.
The third is three-temperature control and on-line quenching before forming aluminum profiles.
The fourth is the aging time after forming the aluminum profiles. This is the most basic process for increasing the hardness and strength of aluminum profiles.
If we study aluminum design drawings, we must consider the thickness, straightness, load-bearing parts of the aluminum parts, and so on.