Photo taken on Nov. 28, 2020 shows a Pakistani exhibition area of the 17th China-ASEAN Expo at Nanning International Convention and Exhibition Center in Nanning, south China's Guangxi Zhuang Autonomous Region. The expo runs from Nov. 27 to 30 in Nanning. (Xinhua/Lu Boan)

Visitors shop at a Pakistani exhibition area of the 17th China-ASEAN Expo at Nanning International Convention and Exhibition Center in Nanning, south China's Guangxi Zhuang Autonomous Region, Nov. 28, 2020. The expo runs from Nov. 27 to 30 in Nanning. (Xinhua/Cao Yiming)

Visitors shop at a Pakistani exhibition area of the 17th China-ASEAN Expo at Nanning International Convention and Exhibition Center in Nanning, south China's Guangxi Zhuang Autonomous Region, Nov. 28, 2020. The expo runs from Nov. 27 to 30 in Nanning. (Xinhua/Lu Boan)

Visitors shop at a Pakistani exhibition area of the 17th China-ASEAN Expo at Nanning International Convention and Exhibition Center in Nanning, south China's Guangxi Zhuang Autonomous Region, Nov. 28, 2020. The expo runs from Nov. 27 to 30 in Nanning. (Xinhua/Cao Yiming)

Photo taken on Nov. 28, 2020 shows a Pakistani exhibition area of the 17th China-ASEAN Expo at Nanning International Convention and Exhibition Center in Nanning, south China's Guangxi Zhuang Autonomous Region. The expo runs from Nov. 27 to 30 in Nanning. (Xinhua/Zhang Ailin)

Visitors shop at a Pakistani exhibition area of the 17th China-ASEAN Expo at Nanning International Convention and Exhibition Center in Nanning, south China's Guangxi Zhuang Autonomous Region, Nov. 28, 2020. The expo runs from Nov. 27 to 30 in Nanning. (Xinhua/Cao Yiming)