How to check the validity period of Shang Tong card?
Inquire through customer service phone, or you can inquire by yourself through the website between 9 pm and 8 am the next day. Shang Tong Card refers to the general credit card of Beijing commercial service industry, which is issued and managed by Beijing Shangfutong Network Technology Co., Ltd., covering many fields, and its application scope has moved from Beijing to the whole country.