Chengdu Shuang Liu airport is one of the biggest airport in the southwest China, it is linked by air with over 60 cities (over 160 airlines) including Lhasa (Tibet), such as Beijing, Shanghai, Xian, Wuhan, Guangzhou, Kunming, Tianjin, Shenyang, Dalian, Harbin, Urumqi, Guilin, Hangzhou, Fuzhou, Xiamen, Zhengzhou,etc., and it is connected by international airlines to cities like Singapore, Hong Kong, Bangkok and Kuala Lumphur. The annual volume of flow is over 6 million people, one of the biggest in China next to Beijing, Shanghai and Guangzhou. Chengdu Shuang Liu airport is the only one in China that operates daily flight to Tibet (Lhasa Gong'ga airport): Flight number: SZ4401 ETD0640am ETA0840am Airbus340.