Effective. If it is a true report, both the original and the copy are valid, but if the test report is needed for rights protection or other authentication purposes in formal occasions, it is best to use the original.

The function of product testing report is also to provide certified data and results for social activities, to prove product quality to the public and to guide consumption reasonably. The authenticity of the report can be verified in the following ways: the unique identification of the inspection report and the identification of each page, as well as the clear identification indicating the end of the inspection report; When the validity or application of inspection results is affected, a description of the sampling scheme and procedures used by inspection and testing institutions or other institutions shall be provided; Signature or equivalent identification of the issuer of the inspection report and the date of issuance.