A barcode scanner, also known as a barcode reader, barcode scanner gun, barcode scanner, etc., is a device that can read and collect barcode information. It scans barcodes through optical principles and transmits the obtained data to computers or other intelligent devices, achieving rapid processing and application of information.

Since its inception in 1957, Canton Fair has become a professional exhibition of consumer electronics that is concerned all over the world. It represents the forward-looking and innovative nature of the retail industry, and is known as the vane of the world's retail industry. From April 15th to 19th this year, the 133rd China Canton Fair 2023 will be held at the Guangzhou Convention and Exhibition Center.