Need some models of computing scales, certificates are necessary, the quantity is according to the price offered
Certificates must include at least the test reports referenced in the OIML certificate or the submitted certificate of conformity.
In addition, the release date of the test report must be earlier than the release date of the relevant certificate, unless the relevant laboratory submits supporting documents.
For documents over 10 years old, laboratory confirmation is required to ensure that the document is the latest version and that the approved model has not changed.