CNAS stands for China National Accreditation Service for Conformity Assessment. It is a national accreditation institution approved and authorized by the Certification and Accreditation Administration of the People’s Republic of China. It is responsible for the accreditation of certification institutions, laboratories and inspection institutions. The data and results that a laboratory wants to issue are credible and widely recognized and also need to be recognized by the laboratory. SINA has experienced CNAS consultants, who can provide professional laboratory certification and CNAS accreditation consultation and guidance so as to ensure that your laboratory can pass the qualification accreditation once and for all.


Management review

Qualification application

Site review

Follow-up guidance

Site assessment report

Personnel training 

System construction

System improvement

Internal review


Service Process

Laboratory Research→ Issue Evaluation Report → Personnel Training → Establishment of Management System → Internal Audit & Management Review → Site Review → Obtain Certificate → Follow-up Service

Relevant Standards

Main Basis of Testing and Calibration laboratory (ISO/IEC 17025)

Main Basis of Medical Laboratory (ISO/IEC 15189)