Tips on Postal Services
Pack properly. Pack green.
Use "Correct Addressing" Tool & Provide Sender's Address
How to opt-out from receiving unaddressed circular mail?
Correct Address & Sufficient Postage Ensure Effective & Timely Delivery
Insufficient Postage Delays Delivery
About installing letter boxes
Taking out prohibited articles before posting
Proper Use of “Hongkong Post Circular Service” Indicia
Re-use of envelopes
About Postcode in Hong Kong