@ Mireille 08:14 Oct 30, 2016
No need to add this note. The phrase is complete. I understand it as "The history of XXX is marked by improvements in benchmarking quality".
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The phrase is ambiguously as it does not reveal, whether the benchmark quality (the higher standard) is applicable to its owns practises and procedures, or whether the competitors have lower standards. In fact, the manufacture underlines the own sophisticated technology. The sense can only be understood in the whole context, found in the source text (see reference comment).
Comment: Perhaps a bad translation from German. I think “benchmarking” is the wrong expression.
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peer agreement (net): +1
