Introduction
You may not be familiar with Bolt Seals for Shipping Containers, but it's a very common product in the shipping industry. Different people call the product name differently, so its usage is actually the same as the container seal. You can use it to block cargo after it is properly packed. This is a one-time lock because its purpose is to prevent the goods from being opened by unauthorized persons while in transit. And each product has a laser-printed special number to ensure its http://www.cn-gcseals.com/bolt-seals/