The 2017 Fortune Global Forum kicks off in Guangzhou, south China's Guangdong Province, Dec. 6, 2017. (Xinhua/Liu Dawei)

Jack Ma (L), founder and executive chairman of Alibaba Group, speaks at a thematic meeting entitled "New Frontiers" during the 2017 Fortune Global Forum in Guangzhou, south China's Guangdong Province, Dec. 6, 2017. (Xinhua/Yin Gang)

Jack Ma, founder and executive chairman of Alibaba Group, speaks at a thematic meeting entitled "New Frontiers" during the 2017 Fortune Global Forum in Guangzhou, south China's Guangdong Province, Dec. 6, 2017. (Xinhua/Liu Dawei)

Tim Cook (R), chief executive officer of Apple, speaks at a plenary session during the 2017 Fortune Global Forum in Guangzhou, south China's Guangdong Province, Dec. 6, 2017. (Xinhua/Sun Ruibo)

Pony Ma (R), co-founder, chairman of the Board and CEO of Tencent, speaks at a plenary session during the 2017 Fortune Global Forum in Guangzhou, south China's Guangdong Province, Dec. 6, 2017. (Xinhua/Sun Ruibo)

Bill Ford (L), executive chairman of Ford Motor Co., speaks at a plenary session during the 2017 Fortune Global Forum in Guangzhou, south China's Guangdong Province, Dec. 6, 2017. (Xinhua/Sun Ruibo)

Yang Yuanqing (2nd L), chairman and CEO of Lenovo Group Ltd., speaks at a plenary session during the 2017 Fortune Global Forum in Guangzhou, south China's Guangdong Province, Dec. 6, 2017. (Xinhua/Sun Ruibo)

The 2017 Fortune Global Forum kicks off in Guangzhou, south China's Guangdong Province, Dec. 6, 2017. (Xinhua/Yin Gang)

Guests gather to attend a gala reception of the 2017 Fortune Global Forum at the Sun Yat-sen memorial hall in Guangzhou, south China's Guangdong Province, Dec. 6, 2017. (Xinhua/Yin Gang)