1. high-security steel inner core 2.Bolt Seal Color: red / orange / yellow 3.container lock barrier seal Contains various types of container seals, container seals, seals, Shi blockade, seal the truck, trailer seals, tank seal, high security seals, bullet seal, wire seal, iron seal, plastic seal, padlock seal, security seals, meter seal, etc. , product quality and cheap.The company's excellent ...