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| laboratory accreditation certificate(beijing) (20231127) | laboratory accreditation certificate(shenzhen) (20230309) | 
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| laboratory accreditation certificate(zhejiang) (20280829) | laboratory accreditation certificate(fujian) (20240317) | 
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| inspection body accreditation certificate(shenzhen) (20230219) | cpsc | 
                         
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                             iso/tc38/sc2 secretariat 
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                             iso/tc38/sc23 secretariat 
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