When being used for shipping cargo, the container is fitted with a customs seal when loading is completed and it is after that while loaded, transported from secure compound to secure compound or onto the ship. The Custom seal is an unthreaded bolt that has a number and or a barcode. This is fitted into the door handle and passed through the customs catch when the door is finally closed. This number is recorded on the shipping notes and it must be that number on the bolt when passing through and arriving at the destination. If it is broken or exchanged for another number, the customs officers will know the container has been opened, and investigation will take place.
When using a container for storage outside of that environment, we need to have better security, so we fit “lock-Boxes“. These are heavy gauge welded steel covers to protect a “shutter “ or “c” padlock, and it can only be accessed from the underside
