With the rapid development of express e-commerce, the security seal, a professional blocking tool, also appears in our daily life. The security seal is a disposable product, it is not easy to open the lock after sealing, and needs to be removed by wire cutters, which is low cost, safe and reliable. Seals are widely used in finance, postal, supermarket, express delivery, packaging barrel packaging, petrochemical, container trucks, valves, customs and other industries and fields of packaging and sealing.
