... and easy to open the replication defect. 1. The tanker lock Material: A3 steel2. Standard package: 1000 bags / bag cartons ... . Color: the surface of platinum galvanized4. Scope of application: Railways, aviation, oil, customs, ports, postal and logistics industry. Mines, roads, ... common seal and easy to open the replication defect. Each lock identifies the name of the user enterprise, independent six ...