POS machine POS is the abbreviation of English Point of sales, which means point-of-sale terminal in Chinese. \x0d\ It can be divided into two types: \x0d\ 1. A wired POS machine that transmits data through telephone lines; \x0d\ Second, the wireless POS machine runs data through the GPRS function in the SIM card of China Mobile Company. \x0d\ can be divided into the following two types according to another situation: \x0d\ 1. Consumer POS, with the functions of consumption, pre-authorization, payment stop list query, etc. , mainly used for special merchants to accept bank card consumption; \x0d\ II。 Transfer POS, which has the functions of financial transfer and Kaka transfer, is mainly used in the financial department of the unit. \x0d\ To apply for installing a credit card reader, you only need to prepare the following materials: \x0d\ 1, copy of business license \x0d\2, copy of tax registration certificate \x0d\3, copy of organization code certificate \x0d\4, bank account opening permit (enterprise account) \x0d\5, and legal person ID card.