This tutorial is time-sensitive, and please refer to the actual price information at the time of inquiry when shipping!
Given that a new round of SSTV has begun on the ISS, and due to some errors in existing tutorials within the station, I am rewriting this article to help everyone change their cards.After all, the ISS's current operational status may not last for many years.
This tutorial explains SSTV SWL (Single Sideband Television Listening) support for QSL cards on the ISS, using the most common method. The ISS supports Voice, Packet, SSTV, APRS, Repeater communication and SWL (Short Wave Listening).
First, fill out the QSL card after receiving a signal.
For example, recent SSTV transmissions have all been originating from RS0ISS. Therefore, the callsign should be filled in as RS0ISS, and SWL and MODE should be set to SSTV, using UTC time as shown in the following figure:

Similarly, if you have completed communication with NA1SS via a repeater, enter their call sign (NA1SS), check the "OUR QSO" box, and select FM as the mode.
Once you have completed filling it out, you should prepare to send the card.CurrentSince the card management address for Japan, Asia, Pacific and Australia is all in Japan, please write the following address in the lower right corner of the envelope. Other regions and the latest address can be found at:Please inquire here., SSTV does not require an image to be included, but it is recommended that one beHereUpload the report and apply for the award.
ARISS Japan QSL card
JARL International Section
Otsuka HT Building
3-43-1 Minamiotsuka
Toshima-ku
Tokyo 170-8073
JAPAN
On the international envelope, the address to be sent is in the upper left corner, and the recipient's address is in the lower right corner. If possible, choose a C5 envelope when sending, and use a SASE with a DL envelope. Currently, airmail within 20g from mainland China to Japan costs 5 yuan, and the latest price can be found at:China Post Micro Postal ServiceWeChat account orChina Post Official WebsiteSearch
Example of a letter envelope(C5): 
In SASE, you write your return address in the lower right corner of the envelope. In mainland China, you can use Chinese characters. You can also choose to include a 120-yen Japanese postage stamp (which is relatively inexpensive and easy to obtain), orAInternational Return Coupon(IRC)AlthoughOfficial websiteIt should contain at least two IRC messages.I suspect that it may be due to difficulties in searching for certain areas and insufficient postage.However, according to the Japan Post website, a single IRC can currently be exchanged for enough postage to send mail to mainland China, and I have personally verified that this is possible.
Example of a SASE envelope(DL): 
Here is the official Japanese Postal Service Chinese query link. Please refer to the link below for the current price:
Japan Post International Mail Fee Table
Japanese Postal International Reply Coupons (IRCs) - Denominations of Japanese postal stamps that can be redeemed.
Money-saving tip: Currently, Japan supports exchanging cards using "pre-filled QSL cards." Specifically, multiple radio station QSL cards are sent together in one envelope, and the recipient also returns them in a separate envelope. This only requires paying for one round-trip postage, and it can also help less fortunate friends receive international QSL cards. However,It is very important to pay attention to the relationship between weight and shipping costs! Both sides need to check the prices from both Japan and China to avoid significant losses due to being unable to receive the card if payment is overdue.
Next, I will wait for about a month to receive the card.