In 2011, the Qingdao Port, together with three other Chinese ports in East China's Shandong Province, signed a strategic alliance with the largest port of the Republic of Korea (ROK). The alliance included Shandong's Qingdao Port, Port of Yantai, Port of Rizhao, Port of Weihai, and the ROK's Port of Busan and aimed to build a shipping and logistics center in Northeast Asia.
