My xml file looks like this:
========company.xml=======
<comany>
<group>
    <name>dev group 1</name>
    <product>product 1</product>
    <product>product 2</product>
    <product>product 3</product>
    <product>product 4</product>
</group>
<group>
    <name>dev group 2</name>
    <product>product 1</product>
    <product>product 2</product>
</group>
</company>