Jinan, East China's Shandong province, has opened six international air freight lines in the first half of the year, local media reported.
The Jinan-based construction company Shandong Hi-Speed Group started construction on its second expressway project in Serbia on June 17.
Shandong plans to launch two new China-Europe freight train routes within this year.
Shandong province has been revving up international cooperation under the Belt and Road Initiative with more cooperation platforms and channels, local officials said.
Trade between East China's Shandong province and countries involved in the Belt and Road Initiative grew by 10.3 percent year on year in the first four months of 2020 to 196.18 billion yuan ($27.64 billion), according to customs statistics.
The Shandong Sub-council of the China Council for the Promotion of International Trade and the Sri Lanka Embassy in China held an online meeting on May 12 to discuss the trading of medical supplies and daily necessities needed for epidemic prevention and control efforts.
A freight train loaded with tires and mechanical equipment departed for central Asian countries from Yantai on Saturday.