LANZHOU - The 31st China Lanzhou Investment and Trade Fair opened on Sunday in Lanzhou, the capital of Northwest China's Gansu province, attracting over 2,000 domestic and international enterprises.

This year's fair features Indonesia as its guest country of honor. Participation has surpassed previous fairs, with representatives of over 20 nations, including Germany, Spain, Russia, Malaysia and Iran, attending alongside representatives of 18 Chinese municipalities, provinces and autonomous regions, as well as the Hong Kong Special Administrative Region.

The fair has four exhibition zones -- covering international Silk Road cooperation, regional exchange, consumer goods, and featured Gansu industries -- showcasing products across the fields of equipment manufacturing, petrochemicals, biomedicine, new materials, new energy, aerospace, agriculture, and data information, according to its organizers.

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More than 30 forums and trade events have been scheduled for the fair.

Indonesian Ambassador to China Djauhari Oratmangun noted that Indonesia's 16 attending enterprises were presenting coffee, foods, handicrafts and traditional batik, and expressed the hope that the two countries would deepen cooperation on renewable energy, modern agriculture and cultural tourism.

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As Gansu's flagship international economic event since 1993, the fair has this year secured deals for 1,181 investment projects totaling over 650 billion yuan (about $90.9 billion) in sectors such as new energy equipment, agricultural processing, new materials, and digital technology.