1)Zinc Anode for ship 2)Hign temperature zinc anode 3)Ribbon zinc anode 4)Bracelet zinc anode Certification: DNV, BV, ABS, CCS, Velosi, Moody, etcSpecification and Dimension: meet virous requirementsStandards of Product: DNV-RP-B401 Cathodic Protection DesignNORSOK M-503 Cathodic ProtectionNACE RP-0387 Metallurgical and inspection requirements for cast sacrificial anodes for offshore ...