The 2025 Shandong International Sister City Cooperation and Exchange Week will be held in Shandong from May 26 to 30. More than 900 foreign guests from over 120 provinces, prefectures and cities in 47 countries gathered for the friendship event under the theme of "Hand in Hand for Joint Cooperation and Development". From May 26 to 27, Shandong Heavy Industry Group shone with its high-end equipment products exhibition and received visiting sister city delegations.