Sun expressed that over the past three years, Jinan has made remarkable progress in areas such as its business environment, industrial restructuring, and technical exchanges with foreign-funded enterprises.
Yantai established sister-city ties with Xaisomboun province in Laos on July 27.
Dongying has a profound cultural heritage, geographical advantages and a good living environment.
The International Youth Gala was held in Jinan, capital of Shandong province on July 6.
The "History of Rose" photos and videos collection event was launched in Sofia, Bulgaria, on June 29, with the aim of collecting rose-themed artworks.
The China (Shandong)-Shanghai Cooperation Organization Countries Friendly Cooperation and Exchange Season will kick off in mid-June.
A ceremony to unveil the Kozármisleny Garden was held in Jinan's Pingyin county, the sister city of Kozármisleny in Hungary, on May 5.