There is no 808 bus at Tianjin Railway Station, and get off at 4 yuan, Milan. There is bus No.629 in Central Park, and get off at Milan in 3 yuan. The whole journey takes about 1 hour, passing through Hebei Road, Nanjing Road, Jiefang South Road, Dagu South Road, Jingu Highway and Jingu Street. You can also take the subway to Dayingmen or Tucheng or Chentangzhuang, and then take the 808 and 629 buses.
If you can get online, check the route map and Google map.