Consumers can complain to the industrial and commercial administrative department through letters, faxes, text messages, emails, the 12315 website or going to the industrial and commercial department.

Duty-free shops refer to sales places that meet customs supervision requirements and supervision warehouses for storing duty-free goods set up by business units at locations approved by the State Council of the People's Republic of China or its authorized departments with the approval of the General Administration of Customs. , a store that sells and supplies duty-free goods to specified objects.

At present, the main duty-free shops in China include port duty-free shops, transportation duty-free shops, city duty-free shops, diplomat duty-free shops, ship supply duty-free shops and foreign exchange duty-free shops for Chinese people going abroad.