The address on the school notice is: Weishui Campus of Chang 'an University in the north section of Hong Chu Road, weiyang district, Xi City, Shaanxi Province;

Postal code: 7 1002 1

If your classmate is in the East District, it is recommended to use Shentong, Tong Yuan and Zhongtong. Shunfeng is recommended for the West Zone. Of course, you can also use EMS, which is not very powerful.