1, the use of long life, loss of function, completely lost the use of value, or can not be used and no repair value.
2, product technology is outdated, poor quality, high energy consumption, low efficiency, has been eliminated and is not suitable for continued use, or technical indicators have not reached the use of the requirements.
3, serious damage, can not be repaired or can be repaired, but the cumulative repair costs have been close to or exceed the market value.
4, the main accessories are damaged, can not be repaired, while the main body can still be used, can be partially scrapped.
5, duty-free imported instruments and equipment should be in the custody of the expiration of the period, the Customs and Excise Department to apply for the release of supervision and approval before the application for scrapping.