The 277 projects cover a range of areas: digitalization, clean energy, new materials, environmentally friendly agricultural products, cooperation in production capacity, internet-based healthcare and tourism.
Eight are national-level projects, including a photovoltaic project with Indonesia and a smart energy project with Saudi Arabia worth 11.18 billion yuan.
Twelve projects worth a combined 7.43 billion yuan were signed between eight provinces from China and Arab states as well as countries and regions involved in the Belt and Road Initiative.
The rest 257 totaling 138.06 billion yuan were signed between the Ningxia Hui autonomous region and other countries and regions.