Visitors buy Russian ice cream during the 6th China-Russia Expo in Harbin, capital of northeast China's Heilongjiang Province, June 18, 2019. The expo, as an important platform for bilateral economic and trade cooperation, attracted more than 1,300 enterprises from China's 21 provincial-level regions and Russia's 18 oblasts. (Xinhua/Wang Jianwei)

　　Visitors taste Russian sausage during the 6th China-Russia Expo in Harbin, capital of northeast China's Heilongjiang Province, June 18, 2019. The expo, as an important platform for bilateral economic and trade cooperation, attracted more than 1,300 enterprises from China's 21 provincial-level regions and Russia's 18 oblasts. (Xinhua/Wang Jianwei)

　　An exhibitor (L) learns about Russian beer during the 6th China-Russia Expo in Harbin, capital of northeast China's Heilongjiang Province, June 18, 2019. The expo, as an important platform for bilateral economic and trade cooperation, attracted more than 1,300 enterprises from China's 21 provincial-level regions and Russia's 18 oblasts. (Xinhua/Wang Jianwei)

　　Visitors taste Russian ice cream during the 6th China-Russia Expo in Harbin, capital of northeast China's Heilongjiang Province, June 18, 2019. The expo, as an important platform for bilateral economic and trade cooperation, attracted more than 1,300 enterprises from China's 21 provincial-level regions and Russia's 18 oblasts. (Xinhua/Wang Jianwei)