citic tianyi co-branded credit card is a unionpay single-currency (RMB) credit card jointly issued by wing pay and citic bank. wing pay gives the co-branded card client a 28% discount on traffic recharge and a 1% interest on the amount of sweet orange white bars. Customer service 21 will answer for you. Broadband service can self-help troubleshooting, which is simple and easy to operate. In addition, it can handle work order inquiry, ITV troubleshooting, broadband application and password service, which is convenient and fast. Please pay attention to China Telecom's Guizhou customer service for more functions.