Photo taken on June 12, 2015 shows the interior scene of Kunming Dianchi Convention & Exhibition Center, venue of the 23rd Kunming Import and Export Fair in Kunming, capital of southwest China’s Yunnan province. The third China-South Asia Expo will be held simultaneously with the Expo from June 12-16 in Kunming. [Photo/Xinhua]

Photo taken on June 12, 2015 shows the interior scene of Kunming Dianchi Convention & Exhibition Center, venue of the 23rd Kunming Import and Export Fair in Kunming, capital of southwest China’s Yunnan province. The third China-South Asia Expo will be held simultaneously with the Expo from June 12-16 in Kunming. [Photo/Xinhua]

Photo taken on June 12, 2015 shows the interior scene of Kunming Dianchi Convention & Exhibition Center, venue of the 23rd Kunming Import and Export Fair in Kunming, capital of southwest China’s Yunnan province. The third China-South Asia Expo will be held simultaneously with the Expo from June 12-16 in Kunming. [Photo/Xinhua]

Photo taken on June 12, 2015 shows the interior scene of Kunming Dianchi Convention & Exhibition Center, venue of the 23rd Kunming Import and Export Fair in Kunming, capital of southwest China’s Yunnan province. The third China-South Asia Expo will be held simultaneously with the Expo from June 12-16 in Kunming. [Photo/Xinhua]

Photo taken on June 12, 2015 shows the interior scene of Kunming Dianchi Convention & Exhibition Center, venue of the 23rd Kunming Import and Export Fair in Kunming, capital of southwest China’s Yunnan province. The third China-South Asia Expo will be held simultaneously with the Expo from June 12-16 in Kunming. [Photo/Xinhua]

Photo taken on June 12, 2015 shows the interior scene of Kunming Dianchi Convention & Exhibition Center, venue of the 23rd Kunming Import and Export Fair in Kunming, capital of southwest China’s Yunnan province. The third China-South Asia Expo will be held simultaneously with the Expo from June 12-16 in Kunming. [Photo/Xinhua]

Photo taken on June 12, 2015 shows the interior scene of Kunming Dianchi Convention & Exhibition Center, venue of the 23rd Kunming Import and Export Fair in Kunming, capital of southwest China’s Yunnan province. The third China-South Asia Expo will be held simultaneously with the Expo from June 12-16 in Kunming. [Photo/Xinhua]

Photo taken on June 12, 2015 shows the interior scene of Kunming Dianchi Convention & Exhibition Center, venue of the 23rd Kunming Import and Export Fair in Kunming, capital of southwest China’s Yunnan province. The third China-South Asia Expo will be held simultaneously with the Expo from June 12-16 in Kunming. [Photo/Xinhua]