OREANDA-NEWS. September 04, 2012. We are glad to learn the fact from PRI which is the recognized certificate authority of international aviation, that Baosteel special steel testing center has passed the supervision and audit of AML (Aeronautical Materials Laboratory) for the first time, reported the press-centre of Baosteel. 

Audit experts gave a credit for effective management system of the lab and the organized and orderly detection process.