Bolt Seal, Container Seal, Cable Seal manufacturer / supplier in China, offering Factory Direct Prices 7mm Diameter Metal Security Bullet Container Bolt Seal for Cargo Truck, Ship Container Lock Bolt Seal for Cargo Truck Security Bolt Seals for Truck ISO 17712 Metal Bolt Seal, One Time Container Lock Bolt Seal 7mm Diameter Safe Bolt Seal High Security Truck Seal for Shipping and so on.