Where can I refund the deposit of Shenyang Metro Card 20 yuan?

Ticket booths at all stations. Shenyang subway card belongs to the exclusive card for taking the subway, which can be handled and cancelled at the ticket booths of each station. Not from the real-name registration system registration system, so the refund of the deposit of Shenyang Metro Card 20 yuan can be handled at the ticket booths of each station. The subway card in Shenyang has three appearances, namely, red card, blue card and green card. On the one hand, there is a subway map, and on the other hand, there are three famous places of interest in Shenyang-Shenyang Forbidden City, Ganling and Zhaoling.