What identity do you need to shop in Nanjing Duty Free Shop?

Duty-free shops serve overseas returnees.

Within 0/80 days of entry/kloc-,you can choose duty-free goods within 5000 RMB from the duty-free shop.

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Duty-free shops refer to shops approved by the General Administration of Customs and established by business units in People's Republic of China (PRC) and the State Council or places approved by their authorized departments that meet the requirements of customs supervision, which store duty-free goods and sell and supply duty-free goods to specific targets. At present, the duty-free shops in China mainly include port duty-free shops, traffic duty-free shops, local duty-free shops, diplomatic duty-free shops, ship replenishment duty-free shops and foreign exchange duty-free shops for Chinese people going abroad.

20 17 12 1, the standard English name of duty-free shops, was formally implemented.

Reference: Baidu Encyclopedia-Duty Free Shop