The telephone number of Haikou International Duty Free City is as follows: 1. Haikou Meilan Airport Duty Free Shop Haikou Meilan Airport Duty Free Shop is located in the isolation area of ??the terminal building of Haikou Meilan Airport, with a total business area of ??14,000 square meters and three main streets: East Street and Middle Street.

, West Street and Haikou Aviation Tourism City duty-free shops.

Haikou Aviation Tourism City Duty Free Shop is located on the first floor and the first floor below of Haikou Aviation Tourism City.

Address: Haikou Meilan International Airport ?Tel: 0898-96656 ?Business hours: 6:00-23:002. Sanya International Duty Free City Sanya International Duty Free City is the largest single duty-free shop in the world.

Nearly 300 internationally renowned brands are gathered here, including Prada, Giorgio Armani, Rolex and other international high-end brands.

Not only can you buy a wide range of perfumes, cosmetics, watches and jewelry, food and department stores, Hainan specialties, outdoor sports and other products from all over the world in one place, it also has a large food area.

Address: Haitang District, Sanya City Tel: 0898-96656 Business hours: 10:00-22:003, Haikou Sun and Moon Plaza Duty Free Shop Haikou Duty Free Shop is located on the L floor of Sagittarius and Gemini, Riyue Plaza, the core area of ??CBD, Haikou City, Hainan Province

, with a business area of ??22,000 square meters and an opening area of ??13,000 square meters in the first phase.

Address: B1 Floor, Sun and Moon Plaza, No. 8 Guoxing Avenue Business hours: 10:00-22:00 Tel: 0898-96656 Supplement: Haikou International Duty Free City Address: East side of the new seaport on the west coast of Haikou.

It covers an area of ??about 675 acres, with a total planned construction area of ??about 926,000 square meters. It consists of 6 plots and is constructed by China Construction First Engineering Bureau.

Haikou International Duty Free City is the world's largest single duty-free shop. It is operated by China Duty Free Group. The commercial duty-free center has a total construction area of ??289,000 square meters, a reinforced concrete structure with 2 floors underground, a construction area of ??about 140,000 square meters, and 4 floors above ground made of steel.

Structure, with a construction area of ??approximately 150,000 square meters, it is the largest shopping mall in Asia.

The shaped roof consists of 5 domes, 2 cooling towers, green walls and peripheral single and double-layer reticulated shells. The roof structure has a large span. The maximum span of the dome reticulated shell roof is 80 meters, and the highest point of the roof is 44.5 meters.

The roof structure of the project is complex, the dome construction is difficult, and the construction technology requirements are high.

Haikou topography: The topography of Haikou City is slightly elongated and heart-shaped, with gentle terrain. Nandujiang, the longest river in Hainan Island, passes through the middle of Haikou City.

The eastern part of the Nandu River tilts slightly from south to north, the western part of the Nandu River tilts from north to south, the northwest and southeast are higher, the central part of the Nandu River is low and flat, and the north is mostly a small coastal plain.

In addition to Ma'anling in Shishan Town (elevation 222.8 meters), Jiuzhou Ridge in Jiuzhou Town (elevation 199.9 meters), Rishailing in Jiazi Town (elevation 171 meters), and Leihu Ridge in Yongxing Town (

Except for the 38 higher hills such as 168.3 meters above sea level), most of them are platforms and plains below 100 meters above sea level.