In recent years, the development trend of online and offline integration in the retail industry has become unstoppable. After the popularization of mobile payment methods, it has greatly attracted the attention of customers. It has changed the traditional payment method, which is convenient for customers and our merchants, both of which benefit, improve product sales, and reduce labor costs for our merchants. We believe that whether it is a large supermarket or a small store, the self-service cashier method will be experienced in the near future. This is also the direction we are going to develop with in the future.     Supermarket self-service cash register application:   Self-service cashiers need to print the receipts of the content purchased by the guests, so that the guests can understand where their money has gone. Also a shopping voucher.     As a receipt printing solution provider and manufacturer specializing in thermal printer research for more than ten years in the thermal printer industry, Xiamen APT Electronic Technology Co., Ltd. has concentrated all elite research strength to provide embedded printer modules for self-service mobile terminals. POS mobile printers and application solutions. We are committed to providing new boosts for the industrial upgrading and innovative development of the retailer industry.