Cardholders can pay for public transport fares in any covered service in China, but card reloading is limited to the locale of initial issuance or through the card issuer’s mobile application, where available.
On 26 March 2024, the China T-Union system marked its first expansion beyond mainland China in Hong Kong, with the Hong Kong-Zhuhai-Macao Bridge Shuttle Bus service beginning to accept China T-Union cards at select ticket vending machines in its Hong Kong Port.
Not all T-union cards of other cities are supported, because Beijing Municipality government controls their own whitelist system for opt-in.
[6][7] All bus routes in Baoding, Cangzhou, Chengde, Handan, Hengshui, Langfang, Qinhuangdao, Tangshan, Xingtai and Zhangjiakou, as well as in Xiong'an All bus routes in Changzhi, Datong, Jincheng, Jinzhong, Linfen, Lüliang, Shuozhou, Xinzhou, Yangquan and Yuncheng Buses in Kailu and Jarud Banner of Tongliao, Tuquan and Horqin Right Front Banner of Hinggan League, Liangcheng County of Ulanqab, Xilinhot and Erenhot Hohhot Metro only supports single/stored tickets, or mobile Apps, they have negative interests in supporting IC cards.
Only buses in urban area, Jiangjin, Dianjiang County and Wansheng development zone, or buses with single fare regime support T-union cards of other cities All bus lines in Bazhong, Dazhou, Deyang, Guang'an, Guangyuan, Leshan, Luzhou,[11] Meishan, Mianyang, Nanchong, Neijiang,[12] Panzhihua, Suining,[13] Ya'an, Yibin, Zigong, Ziyang, and Ngawa, Ganzi, Liangshan Prefectures[14] All bus lines in Bijie, Liupanshui, Tongren, Zunyi, and Qiandongnan, Qiannan, Qianxinan Prefectures Some bus routes in Anshun All bus lines in Baoshan, Lijiang, Lincang, Pu'er, Qujing, Yuxi, Zhaotong, and Chuxiong, Diqing, Honghe, Nujiang, Wenshan, Xishuangbanna Prefectures Some bus routes in Dali and Dehong Prefectures All bus routes in Baoji, Tongchuan, Weinan, Yan'an, Hanzhong, Yulin, Ankang and Shangluo, as well as in Yangling area All bus lines in Jiayuguan, Jinchang, Wuwei, Zhangye, Pingliang, Jiuquan, Dingxi, Longnan, and Gannan and Linxia Prefectures Some bus routes in Baiyin, Tianshui and Qingyang All bus routes in Karamay, Hami, and Changji, Ili, Bortala, Bayingolin, Kizilsu, Aksu, Kashgar and Altay Prefectures Some bus routes in XPCC (Aral, Beitun, Kunyu, Shihezi, Tiemenguan, Tumxuk, Wujiaqu, Xinxing, and Western Urumqi)