If your tracking number starts with M or V then your package has been shipped with UPS and you should track at www.ups.com
If your tracking number starts with EE and ends with HK (ex. EE843747891HK),you should track your package on this link: http://www.hongkongpost.com
If your tracking number starts with EE and ends with CN (ex.EE044233325CN),you should track your package on this link: http://www.ems.com.cn/english-main.jsp
If your tracking number starts with EA or EB then your package has been shipped by USPS. In this case you should track your package on your national postal service website. Here are some common sites below.
UPS www.ups.com
USA www.usps.com
Canada www.canadapost.ca
England www.parcelforce.com
Astralia www.auspost.com
France www.laposte.fr
Germany www.deutschepost.de
Italy www.poste.it
Singapore www.singpost.com
Japan www.post.japanpost.jp
Poland www.pocztex.pl
U.A.E www.emiratespost.com
New Zealand www.nzpost.co.nz
