TNT: fast delivery with a relative low cost in Europe
EMS
Mainly to Korea, Japan and Russia
EMS is helpful in customs clearance in Korea and Japan, only EMS can make delivery to any part in Russia
UPS
Mainly to North America
UPS and FedEx are preponderant in USA line. By comparison FedEx is more faster, while as well as express, UPS also includes Worldwide Express, which is slower and cheaper and suits for heavy goods. And most of the American customers have UPS account.