I need a customized management system. What's the cheapest way?

Customer management systems range from millions to tens of thousands. The software for managing 123 can be customized according to the individual needs of enterprises. It is SAAS mode and B/S architecture. This system can only be used online. It supports multi-branch, cross-regional and mobile office mode, and supports the communication between web pages, SMS, WAP and e-mail. Even if you don't have Internet access, you can do mobile work through your mobile phone, which can be integrated with other systems.

With 800 customers, you can easily use the customized management system by using 800APP for remote Internet delivery, which is divided into five versions: free version, team version, professional version, enterprise version and unlimited version. Only email reminders are available, and only enterprise edition and unlimited edition have this function. The price is charged by users, 60 per person or 120 in January.