<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
            targetNamespace="http://www.company.org"
            xmlns="http://www.company.org"
            elementFormDefault="qualified">
    <xsd:include schemaLocation="./item.xsd"/>
    <xsd:complexType name="productType">
        <xsd:sequence>
           <xsd:element name="item" type="itemType" maxOccurs="unbounded"/>
        </xsd:sequence>
    </xsd:complexType>
</xsd:schema>