Visitors enter the exhibition hall of the 18th China-ASEAN Expo in Nanning, South China's Guangxi Zhuang Autonomous Region, September 13, 2021. The 18th China-ASEAN Expo opened to the public on Monday. (Photo: China News Service/Yu Jing)

Visitors select jade handicrafts at the Belt and Road International exhibition area of the 18th China-ASEAN Expo in Nanning, South China's Guangxi Zhuang Autonomous Region, September 13, 2021. (Photo: China News Service/Yu Jing)

People visit the 18th China-ASEAN Expo in Nanning, South China's Guangxi Zhuang Autonomous Region, September 13, 2021. (Photo: China News Service/Yu Jing)

An exhibitor sorts out handmade carpets at the 18th China-ASEAN Expo in Nanning, South China's Guangxi Zhuang Autonomous Region, September 13, 2021. (Photo: China News Service/Yu Jing)

A visitor selects handicrafts at the Belt and Road International exhibition area of the 18th China-ASEAN Expo in Nanning, South China's Guangxi Zhuang Autonomous Region, September 13, 2021. (Photo: China News Service/Yu Jing)

Visitors walk out of the exhibition hall, with goods they bought at the 18th China-ASEAN Expo in Nanning, South China's Guangxi Zhuang Autonomous Region, September 13, 2021. (Photo: China News Service/Chen Guanyan)

Visitors walk out of the exhibition hall, with goods they bought at the 18th China-ASEAN Expo in Nanning, South China's Guangxi Zhuang Autonomous Region, September 13, 2021. (Photo: China News Service/Chen Guanyan)