... international Classification Societies, such as ABS, BV, CCS, CR, DNV, GL, KR, LR, NK, RINA and RMRS and so on. ISO ... FittingsClass Certifications: ABS(USA), BV(France), CCS(China), DNV(Norway), GL(Germany), KR(Korea), LR(U. K. ), NK(Japan), RINA(Italy ...