How to check the quality of aluminum alloy shell (1)

      Aluminum alloy shell is widely used in a variety of industrial occasions with its high-quality performance. However, how to distinguish whether the quality of aluminum alloy shell is high-quality or not, the following four methods are summarized.

1. The surface of aluminum alloy shell material is generally printed with imported bar code, clear handwriting, trademark identification, manufacturer, detailed address and even general identification of telephone. The surface of fake and inferior aluminum veneer materials is mostly packaged and printed. The device is duplicated, illegible, and its manufacturer, logo, etc. are usually unknown or unmarked.

2. The aluminum alloy shell made of high-quality raw materials has high processing precision, smooth surface and inner layer, and even no black spots.