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

More than three days. According to official website of China Post Office, as of June 24th, 2023, China Post Office stipulated that the longest express delivery time in the province was three days, and that outside the province was more than three days. Shanghai and Wuxi are not a province, and it takes more than three days. Express delivery, also known as express delivery or express delivery, refers to a new mode of transportation in which logistics enterprises deliver documents or packages entrusted by users from the sender to the recipient's door quickly and safely through their own independent networks or in the form of joint ventures.