- Pack properly. Pack green.
- Use “Mailing Address Format Finder” Tool & Provide Sender's Address
- How to opt-out from receiving unaddressed circular mail?
- Correct Address & Sufficient Postage Ensure Effective & Timely 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