Enterprises purchased used equipment, how to determine the depreciable life

On the determination of the depreciable life of fixed assets that have been used, if you can obtain evidence of the use of fixed assets in the previous session, such as the initial purchase invoice, the factory date and other evidence that can prove that they have been used for a long period of time, you can depreciate them over their remaining life; on the inability to obtain the above evidence, should be based on the degree of wear and tear of the old and new fixed assets that have been used and used as well as whether or not to carry out Improvements and other factors to reasonably estimate the degree of newness, and then multiplied by the statutory depreciable life of the fixed assets to determine.