2. The user name is composed by (A-Z,a-z,0-9,_),must contain between 6 and 18 characters and don't use spaces.Recommend the use of pure letters or four letters + number,underline combination-type account.
3. Please supply a valid E-mail address in order to contact you.
4. Please make sure your address is complete.
5. please provide an accurate ID for us to confirm.