Abstract: In the international aero-space and space industry, employee certification system is widely used for the NDT personnel certification and qualification. NANDTB is the certification and qualification board, it develops the qualification according with international standard NAS 410/EN 4179. In China, NANDTB-CN was built on 2006 for meeting with the requirement of qualification and certification need. The board has been recognized by main suppliers and primes. It is helpful for the companies to reduce cost and risk, to get the confidence and recognition of the custom.