4.1 Basic work
The system work is based on a complicated system, whose implementation requires a certain objective conditions and the foundation. First of all, to establish customer master file, through data mining, data warehousing and enterprise customers and technology, the information collection and analysis can be completed. Secondly, companies should understand the customer needs, through the establishment of real-time customer information systems, customer information, and services into the enterprise operation, the internal customer information can be effectively transferred. Finally, a corporate customer portal is established using of computer and communications technology to establish a new channel for business contact and communicate with customers.