Abstract: In the European Union CE mark certification of the Pressure Equipment Directive (PED), the Non-Destructive Testing (NDT) of the certification is based on the European Pressure Equipment Directive and EN ISO 9712 standard. Certification process of Non-destructive Testing (NDT) is divided into documents audit and practical examination of NDT personnel on site, including Non-destructive Testing management documents, all of NDT procedures for various NDT methods, NDT personnel training, NDT personnel working experience, and their examination requirements. The PED certification is not completely same with ASME for non-destructive testing personnel.