I mea e mālama ai i ka hilinaʻi kūpaʻa a me ka palekana kiʻekiʻe, ua hala ʻo YT i ka palapala hōʻoia ISO9001.I ka makahiki 2000, ua hala ka mīkini pahū-hōʻoia i ka European ATEX (9414 EC) maʻamau a me nā kūlana European EN 50014, 5001850019.Ua loaʻa i nā huahana o YT nā palapala hōʻoia ATEX i hoʻopuka ʻia e nā hui ʻae a ka European Community CESI ma Milan a me LCIE ma Paris.