There are many types of security seals, but the most popular one is cable seal with wide application, e.g. all kinds of standard containers, trucks, trailers and doors. It has low cost and big strength. It has large quantity of demand but also with some problems.
Common problems and solutions
1.The head becomes loose, which is difficult to insert to lock hole.
Solution: twist the head and weld tightly, which can effectively prevent the loose of head.
2.Easy to pump out seal
Solution: workers will be responsible to check the quality after production finishes. The inspection is to penetrate and if seal can be pulled out, it proves it is not qualified. There will be secondary inspection before leaving factory so as to ensure the quality of whole batch products.
