With high security cable seals, the usual diameter of wire is 3.5mm to 5.0mm,the pull load is not less than 1000kgs. Most of them are made of metal, and with wire. High security cable locks have a wide list of applications including trucks, tanker trucks, air cargo containers, shipping containers, rail cars, calibrators and valves. The typical applications are for container doors, trailer doors to prevent high value goods from tampering, theft, and unauthorized access. High Security Seal ring manufactured by e-Sun can ensure customers to have a reliable method of creating an audit trail for shipments made.