How to transfer at Beijing Airport?

You need to go to the transfer desk to get your boarding pass for next flight. Then can do this transfer as the following steps:
Arrive at the International Arrival Level at 3F of T3-E → proceed with transfer procedures → pass through the Transit Inspection in special passage in the east or west → take special elevator downstairs to International Departure Level at 2F of T3-E → accept Security Inspection in the special passage → go through the customs sample check of hand baggage if necessary → Waiting & Boarding