Freight mode: simple transportation, that is, simply deliver the goods from Guangzhou to Xi 'an.
Ems: Don't choose, 50 kilos, they will charge you several hundred dollars.
Surface mail: It's convenient, all small counties and towns can be reached, and the door-to-door service is also acceptable, that is, the delivery requirements are strict, it must be in a white bag, it must be packaged and the name of the consignee must be written.