... Societies 3.China's large marine factory Ship Anchor chain , Anchor chain for marine Ship Stud link anchor chain & studless link anchor ... 12.5-84mmCategory and GradeAM2 and AM3 anchor chain for ship use and their accessories.Applied StandardISO1704-2007, IACS W18 and ... (U. K. ), NK(Japan), RINA(Italy), RS(Russia) & Works Certificate Ship Anchor chain