During the May Day holiday, the amount of duty-free shopping in Hainan's outlying islands reached 510 million yuan.

This year's "May Day" holiday, the tax-free shopping market on Hainan's outlying islands is booming. According to statistics from Haikou Customs, the total tax-free shopping amount supervised by the Customs was 510 million yuan, with a total number of 79,100 shoppers.