Participants requiring an invitation letter for their Visa application should send an email to Yupeng Ma (mayupenga"at"mail.nwpu.edu.cn). The following information must be clearly provided in the email: 
• Your Full Name 
• Name of Your Organization/Institution 
• Your Country 
• Paper Title & Paper Number (if you are presenting a paper and wish this information to be included in the Invitation Letter) 

Please apply for the visa in good time in order to ensure that you can attend and present your paper at IPTA2018. We are looking forward to welcoming you at the conference!

Note: If you have any special requirements for the invitation letter, please indicate it in the application email.