There will be 2 (two) sets of tracking number for EMS shipments in specific countries (i.e. Australia, China) :
1) First leg delivery - from the country of origin to the destination airport (Singpost)
2) Last mile delivery - from the destination airport to the customer's door (handled by local couriers).
Below shows the list of the couriers with last mile delivery based on destination countries:
Please refer to the link below for more details: