Aerial photo taken on May 4, 2018 shows the Zhanqiao Pier in Qingdao, a coastal city in East China's Shandong province. Home to Tsingtao Beer and home appliance giant Haier, Qingdao is becoming a more attractive place to run important multilateral events. In June, the coastal city will host the 18th summit of the Shanghai Cooperation Organization (SCO). [Photo/Xinhua]    

Photo taken on May 10, 2018 shows rail vehicles produced by the CRRC Qingdao Sifang Co Ltd in Qingdao, East China's Shandong province. Home to Tsingtao Beer and home appliance giant Haier, Qingdao is becoming a more attractive place to run important multilateral events. In June, the coastal city will host the 18th summit of the Shanghai Cooperation Organization (SCO). [Photo/Xinhua]