It also marks the start of a plan by airport operator Corporacion America and technology provider Vision-Box to bring seamless travel to 50 airports.
Alipay is targeting late Q4 2018 for the first integration of HMSHost locations with the payment service.
During this year's National Day holiday, the two shops in Sanya and Haikou received about 160,300 visitors and generated 240 million yuan in revenue, up 4.4% and 16.8% year-on-year.
The system in Shanghai moved ahead of a planned deployment of facial recognition technology in Beijing’s new $12 billion airport.
In 2017, China's civil aviation industry saw air passenger volume reach 552 million, a 13%increase year on year.
Wu Jianrong is being investigated by an anti-corruption agency for undisclosed offenses.
Hong Kong International Airport took the eighth spot on the list, and Shanghai Pudong International Airport was the ninth busiest.
Chinese outbound tourists heading to Singapore will soon be able to buy goods at Changi Airport with a wave of their WeChat Pay app.
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