If you are our client, need to check the authenticity of the certificate please visit the following URL:

CNAS(China National Accreditation Service for Conformity Assessment):http://cx.cnca.cn/rjwcx/web/cert/index.do?progId=1212
JAS-ANZ(Joint Accreditation System of Australia and New Zealand):http://www.jas-anz.com.au/our-directory/certified-organisations
UKAS(United Kingdom Accreditation Service):https://www.ukas.com/