Aluminum coil can be divided into cold rolled and hot rolled aluminum alloy, the main difference between them is anodic oxidation, hot rolled aluminum coil can be anodized. Cold rolling aluminium coil and hot rolled aluminum roll have different application, cold rolling aluminium coil used in mold, while hot rolled aluminum coil is suitable for stamping tensile aspects. To the same material because of the different craft, its physical properties vary widely. Aluminum coil is mainly used in decoration industry, and has become a new decoration trend. But on the market, there are many aluminum coil suppliers, some of them are formal and worth to be trust, but others are likely to supply bad quality

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