1, China mail sent abroad, the postage is charged by China post, of course, and only charge RMB. China post for all international postage, however, not all of them have to, but the settlement every year. The settlement of fees include roughly: transport (cars, ships, planes, etc., with different transportation company settlement), transit countries transfer transit fee, terminal charges (such as royal mail). All of these costs is not particularly fixed, but according to the prior contract agreement to do good, its basic principle is "the upu convention". Because China, Britain, and is the most countries in the world is a member of the upu.

In turn, British Chinese mail postage to settle it.

2, through the Courier company to send international mail, regarding the Courier company can't access area, Courier company can't be charged (can't deal with the business), because the Courier company services in the region. If the Courier company has agreement with the local postal, entrust postal to deal with, so, Courier company shall, prior to the sender's statement. And postal fee settlement is handled according to agreement.

You should understand that the postal service in all countries of the world to "universal service obligation", so no matter what in remote areas, mail can be sent to. But the Courier company, for some remote areas, or no office area, does not bring profits, express company is not for Posting and delivering services. This is the fundamental difference between post and express company () all over the world.