E-commerce, referred to as e-commerce, refers to the Internet, intranet and Value-added network (VAN, value.
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Network) conducts trading activities and related service activities in the form of electronic transactions, making all aspects of traditional business activities electronic and networked. E-commerce includes electronic currency exchange, supply chain management, electronic trading market, online marketing, online transaction processing, electronic data interchange (EDI), inventory management and automatic data collection system. In this process, the information technologies used include: Internet, extranet, e-mail, database, electronic directory and mobile phone.