A number of domestic and foreign jewelry companies have set up processing and manufacturing plants in the Haikou Comprehensive Bonded Zone in S China's Hainan Province, taking advantage of relevant free trade port policies. Hainan aims to realize independent customs operations by the end of 2025. So far, a variety of imports to Hainan such as yachts, airplanes and autos have already enjoyed tariff exemptions. Photos: Li Hao/GT