According to Chinese law, holders of Z (work), X (study), J-1 (a) visa-free entry of foreigners, as it marked the period of stay for 000 days, the longest in China that can stay 30 days.
Due to misunderstanding of the Chinese visa period of stay on the column of the "000 days" of significance, July 14 Australian visitors to exit from the Pudong airport, the border police was found overstaying past 3 months.
