Alias of the seal: car sealing it was made of metal at the earliest days owing to the consideration of the costs of the products and convenient carrying, so the current plastic seals exist in the markets right now.

Generally, the plastic seals are widely used in the Express, logistics industry to make sure of the safety of the goods and the confidentiality of the requirement.

Approximately, it can be divided into two kinds, space formula, split type. Prevention of burglar function of the split type is much better than space formula, but the process of the production is much more complicated, so the prices of the space formula will be much higher than the split type.