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CNAs - list of approved specifications of certification bodies View >>

Date：2021-07-26 16:54:00

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Date：2021-07-26 16:46:36

Basic environmental test procedures for electrical and electronic products test DB: alternating damp heat test method View >>

Date：2021-07-26 16:41:49

Basic environmental test procedures for electrical and electronic products test CA: constant damp heat test method View >>

Date：2021-07-26 16:35:00

Basic environmental test procedures for electrical and electronic products test B: high temperature test method View >>

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Basic environmental test procedures for electrical and electronic products test a: low temperature test method View >>

Date：2021-03-09 13:09:00

INDUSTRY-news View >>

Date：2021-02-05 16:59:00

Cnas-ai01-12: Attached Table 7: management system Checklist (cnas-ci01-a005:2021) description of the application of accreditation criteria for inspection institutions in the field of construction engineering inspection View >>

Date：2020-08-31 17:17:00

CNAs: classification of recognized fields of inspection institutions View >>

Date：2020-08-31 17:15:00

CNAs: Application guide for accreditation of inspection institutions in the field of Construction Engineering View >>