Aluminum alloy is the most widely used non-ferrous metal structural material in industry, and has been widely used in aviation, aerospace, automotive, mechanical manufacturing, shipbuilding, and chemical industries.

Pure aluminum is divided into smelting products and pressure processed products. The former is represented by Chemical composition Al, and the latter is represented by Pinyin LV (aluminum, industrial). Aluminum alloys can be divided into two categories according to processing methods: deformed aluminum alloys and cast

CNC machining stands for computer numerical control and basically means that a machine is controlled by a set of commands from a controller.