<rules>
<rule name="301Redirect" stopProcessing="true">
    <match url="(.*)" />
    <conditions logicalGrouping="MatchAny">
        <add input="{HTTP_HOST}" pattern="^www\.henglihydraulic\.com$"  negate="true"/>
            </conditions>
            <action type="Redirect" url="http://www.henglihydraulic.com/{R:0}" redirectType="Permanent" />
        </rule>
    </rules>