The Shenzhen Tong (Chinese: 深圳通) is a reusable contactless stored value smartcard used for electronic payments in public transportation and some other areas in Shenzhen city, Guangdong Province, People's Republic of China.
It was developed by Shenzhen Modern Computer, the provider of automatic fare collection systems to Shenzhen Metro, with cooperation from Octopus Cards Limited, the operator of Hong Kong's Octopus cards system.
[2] Infineon Technologies announced it has won a contract to be the sole supplier of contactless microprocessor chips for Shenzhen Tong cards.
Issuance unit volume of these cards is expected to exceed three million by the end of 2008.
[3] In January 2018, the Shenzhen Tong+ WeChat mini program was launched, allowing users to pay fares with QR codes.