Introduction - If you have any usage issues, please Google them yourself
interface design simple, friendly, nice. simple, fast and convenient data storage safe and reliable. information classification clear and accurate. powerful query capabilities to ensure the data query flexibility. provide sales list, the administrator provide real data. provide a flexible, easy to set the permissions feature, the management of the whole system clear division of labor. on the user input data, strict data validation system, as far as possible eliminate human error.