Container Seal:
Definition: A container seal is a lock on a container, but it has a one-time use feature, that is, it will be damaged once opened and cannot be reused.
Function: Ensure that the container has not been illegally opened or damaged during transportation, and protect the safety and integrity of the goods. The unique number on the seal can be used to verify whether the container has been opened during transportation.
Container Lock:
Definition: A container lock is a lock installed on the container door to lock the container door and prevent unauthorized opening.
Function: Similar to the seal, the main function of the container lock is also to ensure the safety of the container during transportation. But the difference is that the container lock can be reused and may have higher security, such as digital password locks.
II. Features and Classification

Container Seal:
Features: One-time use, unique number identification, cannot be reused after damage.
Classification: According to the person who applies the seal, it can be divided into factory seal, customs lock, ship seal, temporary dock seal, etc.; according to the material and function of the seal, it can be divided into high-security seal, wire seal, plastic seal, iron seal and padlock seal, etc.
Container lock:
Features: Reusable, different types of locks can be selected according to needs, such as mechanical locks and digital password locks.
Classification: Mainly based on the structure, material and function of the lock, such as mechanical locks and digital password locks.
III. Use and precautions

Container seal:
Use: After the container door is closed and the goods are confirmed to be correct, add the seal to the container door and record the number on the seal.
Precautions: Make sure the seal number is consistent with the number on the bill of lading to verify whether the container has been opened during transportation. At the same time, note that the seal can only be used once, and it will be damaged after opening and cannot be reused.
Container lock:
Use: After the container door is closed and the goods are confirmed to be correct, install the lock on the container door and set a password or lock it.
Note: Choose the appropriate lock type and security level according to the nature of the goods and transportation requirements. At the same time, ensure the firmness and reliability of the lock to prevent it from being illegally opened or damaged during transportation.