Where can I return the Beijing subway card?

Return the card on the subway. 1 Line card withdrawal point: Exit D and Exit C of Gucheng South Hall. Fuxingmen North Pavilion A, Wangfujing East Pavilion A, Jianguomen B and C. Exit points of Line 2 at Exit B of Sihui West Hall: Exit A of Xizhimen, Exit C of Jianguomen and Exit D of Beijing Railway Station; Line 5 at Exit CD of Dongdan South Hall and Exit ec of Yonghe Palace North Hall. Lishuiqiao Line 6, Exit B: Exit A, West Hall, Chegongzhuang West Hall. Line 7, Exit E and Exit F, East Hall of Ping 'anli: Exit B, South Hall of Beijing West Railway Station. Line 8, Exit A of Guang 'anmen Inner West Pavilion: Exit G of South Pavilion of Gulou Street.