What's the card number of Guo Tong?

Guo Tongka is the abbreviation of "China Urban and Rural Electronic Money Card".

China urban and rural electronic money card is a non-financial micropayment card with personal consumption function. Issued by the National Urban and Rural Information Integration Operation Center. It can be used for self-service terminals to pay water, electricity, gas and communication fees. It can also be used in many small consumption areas of urban residents' daily life, such as light rail, expressway toll, public utility fees, medical and health care, tourism, shopping, catering and entertainment.