Certificates


Both Y&J head office and subsidiaries have acquired certificates of ISO9001/2015, PED97/23/E, ADW0 and/or API6D issued by BV, TUV or DNV.

Our quality team is staffed with experienced and highly trained engineers. Some of them have achieved the international level of non-destructive certification of UT, MT, PT and RT, the welding certificate from AWS as well as PMP certificate from PMI.