Note to the authors who want to collect invoices on site!

As the conference has been postponed to October, some authors wish obtain the invoice in advance. In order to meet your needs and reduce the workload of the financial teachers, Now uniformly ask for your opinion. If you wish to obtain the invoice in advance, please fill out the statistical form of the on-site invoices information as soon as possible and send it to weichen@buaa.edu.cn.


Note:
1. If it can be changed to an ordinary electronic invoice, fill in the invoice type column with the electronic invoice and add the E-mail address, name and telephone number to receive the invoice;

2. For the authors whose original invoice type does not change, there is no need to fill in the invoice type, only the mailing address, name and telephone number should be filled in.