In 2021, China's express delivery has exceeded 70 billion pieces, and it is urgent to improve the work efficiency of the logistics industry. Traditional electronic scales have been unable to meet this demand, and the use of smart devices has become the best choice for express logistics points. Small Laser Marking Machine, Wireless Inkjet Printer, Color Laser Engraver, Small Electronic Weight Machine,Inkjet Coding Machine. With the rapid development of the Internet in the world, especially the emergence and application of big data and cloud computing in China in recent years, many enterprises are now engaged in the transformation of the Internet of Things, moving towards the goal of industry 4.0, which also deeply affects the application of industrial control touch all-in-one machine in the industrial automation field. Due to the characteristics of Android system, such as the breadth of Android mobile phone market application, which makes a lot of searchable resources, platform multimedia, powerful image processing capabilities, and the development of the platform without authorization, Android industrial tablet is more and more used in the related fields of Internet of Things. The following is a brief introduction to a simple application of Guangzhou Weiqian Android tablets in self-service washing machines related to the Internet of Things. The product will supply to all over the world, such as Europe, America, Australia,Pakistan, Turkey,Salt Lake City, Borussia Dortmund. Guangzhou Weiqian free to provide professional plastic tubes. ribbon. Plastic bag printing, marking equipment, can print validity date, production date, quality date, trademark, model specifications and other information content. According to the customer's site situation and customer demand for production, real-time scheme planning can be carried out to solve the problem of customer identification, improve production efficiency, reduce labor costs, and provide customers with traceability and anti-counterfeiting identification equipment and a complete set of solutions.