DHL eCommerce can adjust the tracking number/shipmentID used, which is useful for matching shipments sent with DHL eCommerce to the original order number. The format for this adjustment will be:
<yourDHLshippingprefix> + ordernumber + 00 (padded to 9 characters)
To activate this feature on your account:
  1. Go to
    Settings
    >
    Couriers
    >
    DHL eCommerce Asia Pacific.
  2. Check the box for
    Use OurRef for the ShipmentID
  3. Press
    Save
    .