I am happy to answer your questions:

If you send a letter to him without choosing airmail, please do not choose an envelope with the word "airline"

Otherwise, the postal service will regard it as airmail delivery,

and if the postage is insufficient, it will be returned to you or converted to airmail, waterway or waterway delivery, which will affect the efficiency

You send There are no restrictions on the envelope you want to send him. If you choose air delivery, it is recommended to use the five-yuan airmail postage envelope

The five-yuan airmail postage envelope comes with five-yuan postage (the online purchase is lower than the face value)

The five-yuan airmail envelope is larger than the ordinary airmail envelope, and you can put the airmail envelope inside the postage envelope

Generally, it is sent to foreign celebrities and the like and hopes that they will reply. In addition to politely mentioning it in the letter, In addition to requesting a reply

Try to bring your own reply envelope and international reply coupon with the letter.

If you bring your own envelope, you need to write your own address at the receiving address and leave the sending address. White

International reply coupons are issued by the Universal Postal Union and can be exchanged for the minimum required postage for an international letter in its member countries

Usually sold at fully functional post offices, international reply coupons The coupons can also be replaced by stamps from the other country

Stamps from the other country can be purchased online, and are generally divided into new stamps and unsold stamps

New stamps are stamps that have never been used. The cost is relatively high;

Missing stamps refer to stamps that were not stamped during the mailing process, which are cheaper than new stamps

You need to use them to write the address of the envelope sent to him English is on the upper left side of the envelope,

and the country name must be written in Chinese at the end (to facilitate domestic sorting)

Your address can be written in Chinese on the lower right side of the envelope

And you need to write the word "China" (P.R.China) in English at the end

You can also use an ordinary envelope for the self-prepared reply envelope in the envelope sent to him

Write your address in the upper left corner (receiving address)

Do not write in the lower right corner (sending address)