How long does it take to express from Shanghai to Nanchang?

Express delivery from Shanghai to Nanchang takes 2-3 days. Because it is about 730 kilometers from Shanghai to Nanchang, the traffic is also very developed and the express delivery is also very fast. If you send an express delivery from Shanghai to downtown Nanchang, it will take only 2 days at the earliest, not more than the morning of the third day, according to the daily journey of express delivery of 350 kilometers. So it takes 2-3 days to express from Shanghai to Nanchang.