7. Surface mail
Compared to registered mail, surface mail is a relatively ordinary and slow shipping business. Surface mail can also be divided into surface mail with a tracking number and surface mail without a tracking number. In cross-border logistics, many people choose to use surface mail to transport goods because it is cheaper and suitable for customers who are not in a hurry to receive goods.
A carrier is an organization or institution that provides freight services. In cross-border logistics, carriers can be express delivery companies, airlines, shipping companies, etc. The services and prices provided by different carriers may also vary.