救生圈
Life buoy
聚乙稀救生圈（5556型）自重2.5kg、4.5kg，应用范围：远洋及内河船舶，符合96修正案规定；
Polyethylene life buoy(model 5556) Weight: 2.5kg, 4.5kg Applied scope: ocean and river boats, accord with the regulations of 96 amendment.