Hainan’s offshore island tax-free policy is a special preferential policy supported by the central government in the construction of the Hainan Free Trade Port. However, some criminals have discovered another "business opportunity" from it.

"Do not trust other people's financial temptations and use them to Sell ​​your own offshore island information to others for use.” says the Yangzhou Customs Anti-Smuggling Bureau. Qu Qiang was sentenced to one year in prison for smuggling general goods, suspended for six months.