On the first day of the closure, the first batch of 16 preferred eligible enterprises in Haikou landed the preferential services.

From the Haikou City Bureau of Commerce, the reporter learned that on that day, 8 companies in Haikou, whose value-added processing exceeds 30%, were the first batch of goods to enjoy the exemption of tariffs, and were shipped out from the "second-line port" for domestic sales. 6 companies, which are zero-tariff beneficiaries, imported the first batch of goods through the open port to the island. 2 other companies, which have relaxed their trade management measures, carried out their business activities. In total, the preferential business operations of 16 beneficiary enterprises have been successfully implemented.