Which express is the cheapest from Guangzhou to Zhanjiang?

It is the cheapest to send Zhanjiang postal express from Guangzhou. According to relevant public information, postal express service. It is an international mail express service managed by Universal Postal Union, and it is a kind of express service provided by China Post. This business enjoys priority in customs, aviation and other departments, and delivers international and domestic urgent letters, documents, financial bills, commodity samples and other documents and articles to users with high quality.