Product testing is generally divided into two categories:

1. Commissioned testing

The testing sample is self submitted by the commissioning party, and the laboratory only tests the incoming sample. Therefore, the testing conclusion reflects the quality attributes of the submitted sample, and the testing report is only valid for the submitted sample

2. Supervision and spot checks

The product quality supervision department randomly conducts spot checks on relevant products in accordance with the Product Quality Law.

. Supervision and random inspection are not full item inspections, so the inspection report only determines whether the inspected items of the product meet the standards. The inspection report reflects the quality status of the product at that time Due to the fact that product quality may vary with changes in environmental, time, and other conditions, theoretically the conclusions of the testing report can only reflect the quality characteristics at the time of testing. Therefore, the validity period will not be indicated on the test report

Quality inspection report purpose, quality inspection report cost, quality inspection report cycle, quality inspection report results, quality inspection report requirements

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The meanings of CNAS, CMA, and CAL:

CNAS identification: indicates that the institution has passed the accreditation of the China National Accreditation Service for Conformity Assessment.

CNAS: China National Accreditation Service for Conformity Assessment. The "CNAS" logo indicates that the testing and equipment capabilities of the quality inspection center have been recognized by the China National Accreditation Commission for Conformity Assessment CNAS can apply for accreditation in any laboratory. As long as you have the corresponding testing capabilities, you can issue a certificate through accreditation, including third-party laboratories for testing, third-party laboratories for testing by Bestom, corporate and even personal laboratories, etc., covering a wide range CMA: indicates that the institution has passed the metrological certification issued by the National Certification and Accreditation Administration or the quality and technical supervision departments of the people's governments of various provinces, autonomous regions, and municipalities directly under the central government In the daily supervision and inspection of industry and commerce, when inspecting the quality inspection report of goods by business units, the original inspection report (stamped with a red seal) should be checked and a copy should be kept, instead of only checking the copy of the report to avoid the occurrence of counterfeit copies of the inspection report. Is there a time limit for the validity of the Product Quality Inspection Report? Generally, the validity period of the product quality inspection report is not determined