What does international freight dedicated line mean?

The advantage of dedicated international flights is that they can transport various goods and provide low-speed and fast customs clearance services. They can provide various customs clearance services to solve the customs clearance problems of shippers. Additionally, international freight has two drawbacks. One reason is that the email scope is very small. The business process of sending cross-border letters, business service documents, and goods is based on rapid inspection and clearance at the border ports between China and Chinese customs.