ERP or merchandise management sought as a business solution

We are a plant manufacturer and are looking for an ERP or merchandise management system as a business solution.

The software should meet the following requirements:

• CRM - Customer Relationship Management
• DMS - Document Management System
• Invoicing (quotes, orders, invoices)
• Warehouse management
• Central customer and supplier contact list that can be accessed by all other programs (MS Outlook, CRM, DMS, merchandise management)
• Consistent and transparent contact documentation (ticket system or similar)
• Handling of a relatively large number of items in the quote, i.e., simple drag & drop
• List editing
• Electronic order processing - measurement and maintenance logging
• Operation via own servers, but access from mobile devices (Android) and PCs (MS Windows) possible
• Assignment of rights to different participants
• The existing merchandise management system is to be replaced (data transfer)
• MS Outlook must be integrated
• If possible, contact person on site in the vicinity

Four to five software workstations are planned. Work will be carried out in an MS Windows system environment.