According to the registered letter or courier number, you can check the card mailing progress in the following ways:
1) website query:
Registered letters can be inquired by postal parcels of China Post Network (/);
Express delivery can be inquired by Global Postal Express (www.ems.com.cn).
2) Telephone enquiry: Call China Post Hotline 1 1 185 to inquire about the mailing of cards.
3) The mailing address of the credit card is the address you wrote when you applied for the credit card.
Other banks check the progress of credit card delivery, and it is the same where they mail it. If necessary, you can check the website or telephone.