A Cuban cigarette maker rolls cigarettes at an exhibition of the 14th China-LAC Business Summit in southwest China's Chongqing, Nov. 16, 2021. The summit kicked off Tuesday here in Chongqing. (Xinhua/Tang Yi)

Guests attend the opening ceremony of the 14th China-LAC Business Summit in southwest China's Chongqing, Nov. 16, 2021. The summit kicked off Tuesday here in Chongqing. (Xinhua/Tang Yi)

A staff member displays exhibits at an exhibition of the 14th China-LAC Business Summit in southwest China's Chongqing, Nov. 16, 2021. The summit kicked off Tuesday here in Chongqing. (Xinhua/Tang Yi)

Photo taken on Nov. 16, 2021 shows the opening ceremony of the 14th China-LAC Business Summit in southwest China's Chongqing. The summit kicked off Tuesday here in Chongqing. (Xinhua/Tang Yi)

Participants communicate with each other at an exhibition of the 14th China-LAC Business Summit in southwest China's Chongqing, Nov. 16, 2021. The summit kicked off Tuesday here in Chongqing. (Xinhua/Tang Yi)