如果你用 Hong Kong Post 香港郵政寄,可以在以下查看 Appendix : Overseas Post - Service Information by Destination,因為每個國家有不同限制 :
Please click here for the details of the prohibited goods and restricted goods of different destination (Post Office Guide Appendix : Overseas Post – Service Information by Destination). The above reference materials are subject to revision from time to time without prior notice. Hong Kong Post staff will not express any opinion on the subject of export controls. In any case of doubt the mail item will be accepted for posting but such acceptance does not imply that the export licensing requirements have been met. The sender should take the responsibility to make enquiries on the details of destination.
It's found from the link below
Hongkong Post - Q3
https://www.hongkongpost.hk/en/faq_support/sending_mail/q3/index.html