"testing results are qualified/disqualified" and "tested to be qualified" are not right. Do you just mean that the materials passed/failed the tests?
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yanxBut can you suggest some correct ways of express the above meaning?You can use wording like you did in #3: "The samples/materials have passed/failed the/our test(s)...". If these are quality control procedures then it may sound better to say "passed/failed our quality control tests". For example: "The materials have passed our quality control tests, so we