(1) ISO 9001, ISO 14001, OHSAS 18001

(2) Classification Societies(DNV GL, LR, ABS, BV, RINA, NK, KR, CCS, RMRS, etc.)

(3) ASME(S, H, U, U2), EN(12952, 13445), BS(PD5500), NORSOK, JIS, KS, etc

(4) CE mark(MED for Marine Equipment, PED for Pressure Equipment)

(5) IMO(International Maritime Organization), USCG(United States Coast Guard)

(6) GTT(Mark Ⅲ, Mark Ⅲ FLEX, No 96-L-03), KOGAS(KC-1) Type Approval

(7) USPHS(United States Public Health Service), Achilles JQS(Joint Qualification System)

(8) CINI(Committee Industrial Insulation)