Offshore cargo carrying units (CCU) are standardized loading and carrying equipment designed for marine engineering operations (such as offshore oil platforms, drilling ships, subsea engineering, etc.). They are used to safely and efficiently carrying, store and manage various materials, and adapt to special environments such as high salt spray, strong vibration, and limited space at sea. Its core function is to ensure the safety of cargo carrying under complex sea conditions and facilitate the loading and unloading and scheduling of offshore platforms.