The coastal city of Yantai in East China's Shandong province has deepened sister-city relations with Beppu, Japan.
Foreign trade in Yantai totaled 382.83 billion yuan ($60.14 billion), up 33.8 percent year-on-year, in the first 11 months of this year.
Yantai opened its first scheduled international cargo airline to Milan, Italy on Dec 17.
This year marks the 35th anniversary of the establishment of sister city relations between the two sides.
A forum focusing on intelligent manufacturing and digital technology exchange between China and Japan was held on Oct 12.
The foreign tradesurged 55.9 percent to 240.4 billion yuan ($37.12) in the first seven months of this year.