Specification Diameter 6.5mm-162mm Category and Grade AM2 and AM3 anchor chain for ship use and their accessories. Applied Standard ISO1704-2007, IACS W18 and W22, API-2F(U. S. A), Rules of Classification Societies, GB/T 549-1996(China) and other non-standard products in order to satisfy customers. Approved Societies Approvalby 11 international Classification Societies, such as ABS, BV, CCS, CR, DNV, GL, KR, LR, NK, RINA and RMRS and so on. ISO Quality Management System ISO9001-2000, API-Q1 Quality and ISO/CD14690 (HSE ) management system have been separately approved by API (USA), CSQA(China) and QSMSCC (China).