Please introduce the certification body CNAS.

CNAS (China National Accreditation Service for Conformity Assessment) is one of the most authoritative accreditation bodies in China, established by the Certification and Accreditation Administration of the People's Republic of China (CNCA). It is responsible for accrediting conformity assessment bodies such as certification bodies, laboratories, and inspection bodies within China. Institutions accredited by CNAS can demonstrate that their services meet relevant domestic and international standards and requirements, which helps to enhance the credibility of their services and increase market competitiveness. The CNAS accreditation mark is widely recognized in both the Chinese and international markets and is an important symbol of quality and competence.