factura electronica

I am in need of a factura electronica module for my business and require integration with (Tryton-erp). The main purpose of the electronic invoice system is to handle customer billing, and I require some customization for the invoice layout and design. create file xml and send to webservices, CFDI 4.0, The system must handle quick and efficient electronic invoicing as well as generating accurate invoices. It should be easy to use, reliable and secure. Please provide a quote along with your solution. Thank you.