China's civil aviation industry revenue reaches $117b in 2017 China's civil aviation sees 552m air passengers in 2017 Leading Chinese firms in London gather at forum Panda pair arrives in Finland after long flight from Chengdu Industrial internet development efforts powering ahead Anhui tourism promotion center launched in New York Over 1,300 companies sign up for intl import expo in Shanghai Intl trade fair opens in Beijing Heavy snowfall welcomes giant pandas arriving in Finland China e-commerce trade volume reaches 29.16t yuan in 2017 EU-China Tourism Year starts in Venice Chinese tourists to Vietnam surge in January-May Chinese tourists to Vietnam surge in January-May China e-commerce trade volume reaches 29.16t yuan in 2017 Intl trade fair opens in Beijing China cuts tax on technologically advanced service trade firms Martial art performance unveils China-EU Tourism Year Premier Li sends congratulatory letter to China-EU Tourism Year Land sales rise in major Chinese cities: Report