High Quality Content by WIKIPEDIA articles! Yang Cheng Tong is a contactless rechargeable stored value smartcard designed for paying the travel fares in the metro, buses, taxis and ferries in Guangzhou, China and surrounding cities, namely Foshan, Huadu, Zengcheng and Panyu. It is built and managed by Guangzhou Yang Cheng Tong Limited Guangzhou Public Transport Data Control Center. The card is also sometimes accepted by city merchants, zoos, restaurants, parking meters, and in other establishments as payment. With the card holder's personal information stored in the Yang Cheng Tong, further functions can be applied, such as access control of buildings and roll call in school. The system was successfully launched in 30 December, 2001. According to the official statistics announced by its operator, the circulation of Yang Cheng Tong is over 5 million cards and 2.2 million transactions per day. Yang Cheng Tong literally means Ram City Pass, since the Five Rams, statue is one of the important landmarks in Guangzhou. Wu Yang Cheng or Yang Cheng are both well-known nicknames of Guangzhou among Chinese people.