Iwe-ẹri ISO IATF16949: 2016 ISO 14001 okun OrtSirọsi OHSAS18000 Ijẹrisi US ASME T Ijẹrisi US ASME U Ijẹrisi US ASME U2 Iwe-ẹri BV Ijẹrisi Korea KGS Ifọwọsi ẹrọ TPED Ijẹrisi TC ti Canada Iwe-ẹri USA DOT