Unlimited quantity. According to the announcement issued by Tianjin Transportation Department, the number limit time in this area is from Monday to Friday, namely: Monday limit number 3 and 8, Tuesday limit number 4 and 9, Wednesday limit number 5 and 0, Thursday limit number 1 6, Friday limit number 2 and 7, Saturday and Sunday and legal holidays, and May Day is a legal holiday, so there is no limit. Tianjin, also known as Jingu and Jinmen, is a provincial administrative region, a municipality directly under the Central Government, a national central city and a megacity in People's Republic of China (PRC).