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        American National Laboratory Safety Committee (National Committee for Clinical Laboratory Standards, NCCLS) is a responsible for the accreditation system in accordance with the relevant laws and regulations and international standards American establishment and operation of laboratories and inspection bodies, on the inside and outside of laboratories and inspection bodies in accordance with international norms of conduct capacity evaluation, acceptance decision, and the highest level of the laboratory of scientific research achievements in the final assessment, evaluation and certification, is the most authoritative laboratory identification of the experimental results, mechanism, brings together experts in the various fields of science the most outstanding, with the means of scientific, accurate, reliable identification is well known in the world, the agency published annually the data, through the certification, has become a worldwide trend of laboratory compass and health care products international trade weathervane.

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