2nd phase of duty-free store starts trial operation in China’s Haikou Customers select watches in the second phase of the duty-free store at Meilan International Airport in Haikou, capital of south China’s Hainan Province, July 20, 2012. The second phase of the duty-free store, which stands at 1,500 square meters, started a trial operation on Friday. The first phase of the duty-free store opened on December 21, 2011.