Suntech has invested heavily in advertising, but its post-service is a bit backward and the complaint rate is relatively high. These two questions should be perfect.

Century United customs broker is not bad, and has its own characteristics. Web pages are the best they do, and training customs declarers in Beijing has advantages.

Ideal international is also good, but customs declarers are not their special projects and have no competitive advantage.

There are some other small organizations in Beijing, not to mention. Generally speaking, face-to-face instruction is the mainstay, and online learning in other institutions is forgotten. After all, customs declarers are different from others.