Shanghai Customs is the national entry and exit supervision and management agency located at Shanghai Port, and is directly under the Customs of the People's Republic of China. Its main tasks are: in accordance with the Customs Law of the People's Republic of China and other relevant laws and regulations, to supervise the means of transport, goods, luggage, postal items and other items entering and leaving the country through Shanghai Port, collect customs duties and other taxes, investigate and crack down on smuggling, compile customs statistics and handle other customs business.