ESL electronic shelf label is an electronic display device which can be placed on the shelf and can replace the traditional paper price label. Application scope: supermarket, warehousing and other logistics systems. The product has LCD screen, segment code electronic paper screen, dot matrix electronic paper screen, and the screen of the product has 2, 2.4, 3, 4.3, 11 inches and other specifications. The ESL electronic shelf label in Shenzhen City Joint Smart Card Co., Ltd. is a passive NFC electronic label. It combines NFC and electronic paper display technology to replace traditional paper label. Through the device with NFC function, the name, price, bar code and other information are displayed on the electronic label screen. Shelf label information and electronic intelligent manual management, in order to improve work efficiency, improve the level of intelligent management, cost savings. This product is now available in various sizes of electronic display interface, the product uses a special production process, long service life, and can be reused.