1.合同管理：合同的合同编号，客户的名称，地址，签定时间，帐号，总金额及产品清单等基本信息的录入、修改、删除和查询。一个合同可签订多种产品，合同签订必须为现有的库存产品，但产品库存量不够时，可允许先签订合同；

2.客户管理：客户网上注册、登录、修改个人资料等。

3.发货管理：根据合同签订的情况发货，不得超出合同签订的产品品种，数量及库存量；每个合同的发货可分次完成，并保留发货的历史记录。

4.库存管理：可完成产品入库、出库（合同发货）信息的录入、修改与删除。

5.查询信息：各类基本信息的分类查询

6.统计信息：各类基本信息的分类统计。-1. Contract Management: Contract contract number, the customer s name, address, and signed entry time, account number, and the total amount of basic information such as the list of products, modify, delete, and query. A contract can be entered into a variety of products, contract must be existing inventory of products, but the stock portfolio is not enough to allow the first contract

2. Customer Management: Customer online registration, login, modify personal information.

3. Delivery Management: depending on the circumstances of the delivery contract shall not exceed the product variety, quantity and stocks of contract　delivery times to complete each contract can be divided, and keep a history of delivery.

4. Inventory Management: complete product storage, a library (contract delivery) entry, modification and deletion.

5. Query Information: All kinds of basic information on classified information

6. statistics: statistics of all kinds of basic information.