What does Shentong Express mean by sending a reminder message?

Shentong Express sends a reminder message, which means sending a fixed format notification receipt. According to relevant public information, Shentong Express brand was founded in 1993. The company is committed to the construction and development of national brands, constantly improving the three-dimensional operation system of terminal network, transit transportation network and information network, based on the traditional express delivery business, fully entering the field of e-commerce, and promoting the development of China express delivery industry with professional services and strict quality management.