The fourth China-Arab States Expo opened Thursday in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region.

The four-day event will feature trade fairs and forums on infrastructure, Internet plus healthcare, high technology, modern agriculture, logistics, tourism, digital economy and industrial cooperation.

Sponsored by the Ministry of Commerce, China Council for the Promotion of International Trade and Ningxia regional government, this year's event attracts around 12,600 participants from 2,900 regional organizations, commerce chambers, associations and enterprises in 89 countries, according to the organizer of the expo.