2: Although the equipment does not exceed the specified service life, but due to severe damage does not have the conditions of use, and no repair value.
3: affect the safety, serious pollution of the environment, although some measures can be resolved, but economically very uneconomical.
4: equipment aging, backward technical performance, low energy consumption and high efficiency, poor economic efficiency or due to the emergence of new equipment, if you continue to use may have a serious impact on the economic benefits of enterprises Oh.
5: the state mandatory elimination of high energy-consuming equipment.
6: Because of other reasons can not continue to use the equipment is not suitable for the transfer of other enterprises and no reservation value.