POS machine POS is the abbreviation of Point of sales in English, and the Chinese meaning is point of sale terminal. \x0d\It can be divided into two types: \x0d\ One, wired POS machine, runs data through the phone line; \x0d\ Two, wireless POS machine, runs data through the GPRS function in the SIM card of China Mobile Company. \x0d\According to other circumstances, it can be divided into the following two types: \x0d\ First, consumption POS, which has functions such as consumption, pre-authorization, and query of stop payment lists, and is mainly used for special merchants to accept bank card consumption; \x0d\ Two , transfer POS, which has functions such as financial transfer and card-to-card transfer, and is mainly used in unit financial departments. \x0d\To apply for the installation of a credit card machine, 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 license (Public account) \x0d\5, legal person ID card\x0d\6, official seal, legal person seal.