The marine mooring chain aluminum supplied by Hanweis is used in the shipbuilding and petroleum industries. It has high strength, good toughness, and is resistant to seawater corrosion, fatigue and wear. Among them, the four-level mooring chain is the highest level tether for marine use. The added value of the product is high and the demand is large. It has successfully passed the international famous classification society quality certification, filling the domestic blank, and the physical quality has reached the international level. The ability to supply aluminum products in batches is widely used in marine engineering and special-purpose ships such as exploration platforms, floating time oil platforms, offshore oil storage transfer stations and auxiliary fleets. Contribute to the Chinese aluminum industry both domestically and internationally.