Integrate ERP / CRM and add inventory

Looking for ERP/CRM integration I have [login to view URL] - it has CRM script developed using PHP [login to view URL] ( wordpress plugin ) What to do : 1. Customers / Vendors when entering in CRM / woocommerce has to be inserted in the wperp database also ( nothing much u have to do ) or if any other integration is there u need to check 2. Add Inventory module and use barcoding ( QR Code ) 3. Change the user control panel interface