CRM客户管理系统主要是为了帮助企业解决在日常工作中遇到的客户管理等难题而开发，通过本系统可以对企业事务中的不同功能进行操作，用户通过自定义字段类型可以达到适合不同企业的需求。(CRM customer management system is mainly developed to help enterprises solve encountered in the daily work of the customer management and other problems, working