Hi There,
I am Unicenta pos and open bravo expert. I can do openbravo erp and java pos integration. ERP and Chain Shop POS integraion with Open Source Project. Addition features can be added as openbravo with magento integration. Openbravo with SugarCRM Integration, Openbravo with Openia CRM Integration and ERP as well like you have mentioned.
I can certainly sync your erp's feature with it - Customers, Suppliers, Products, Sales,Purchase (stock movements Stock in), Inventory (Stock in +Stock out +- Adjustment, etc.), Payments
Let's get connected for further discussion.
Best
Nish