Which system to choose for relationships with dealers?

Question

Project management

What is needed:

1. Cloud with documents for download
   
2. Functionality of online communication between dealers and the Plant;
   
3. Formation of requests for maintenance / repair for each type of equipment;
   
4. Ordering spare parts for each type of equipment;
   
5. A separate news block for dealers with an automatic online mailing system;
   
6. All in a comfortable and pleasant shell.
   

What do you recommend to use? In which direction to dig?

Answer 1

To nag.
Specific for the task.

Answer 2

In the direction of a company that has experience in implementation.