Hi, Luis.

>Does some one has an example, code or DBFs about how to implement a MRP solution for a very small Manuf. companny that could be free, or to sell $?

My company produces a whole ERP suite that includes a nice MRP system, and all the applications are available in Spanish.

You can take a look at: www.merino.com.ar

If you want further information, please contact me at: msalias@merino.com.ar

Saludos,