Customer Relationship: Being one of the most important part of Nseer Open Source ERP, the management of customer relationship can not only protect the valuable customers resources for the company to the maximized level, realize the zero-distance communication and provide customer service with the highest efficiency. Through the extremely integrated database of historical information of customers’ archives and exchange information, it can conduct detailed analysis to the most customers so as to analyze the customers achievements in time and find the most superior customers; the Nseer Open Source ERP can make realization and prediction of the customers’ potential demand and implement tracking service to different customers, providing them with the individualized products and services. The basic function of the customers relationship for Nseer Open Source ERP: management of customers archives, customers communication, retailing, order distribution, distribution staff, distribution log, charge-in of product, customers invoice, distribution achievement, alarm surveillance and standard data report, customer analysis and others.