Good Tea Group-UK/China x China/China (both countries are famous for their tea)
Far East Brothers-China/China x Japan/Japan (both geographically located in the easternmost part of Asia)
Red Group-Russian/Romanian/Slovak x China (the flags of the Soviet Union and China are all red).
East-West Group, East-West Brothers-Pu/Lu/Shi Xde/China (one east and one west)
Flower lovers-Germany/China x North/Italy/Italy/Italy (the national flowers of the two countries are daisy and cornflower, both chrysanthemums).
Gourmet Group-China/French/China (two of the three gourmet countries)
Cold War Group, Good Nuclear Group-USA /X Russia/Romania/Slovakia (the historical event of the Cold War between the US and the Soviet Union, the first nuclear weapon of the two countries)
Money Group-USA/China x China/China (USA/China owes China hundreds of millions of debts, which have not been paid yet).
Eyebrow group-English/Chinese x western/blue (people in the black tower always have thick eyebrows)
Good Shipping Group and Ocean Shipping Group-UK/China X West/Ban/Asia (with developed shipping industry and geographical location near the sea)
Snow and ice group-Russia/Romania/Slovakia x ice/island (extremely north, extremely cold climate)
Nordic couple-Switzerland/Canon X Finn/Lan (both Nordic countries)
Lily group (pseudo) (eastern European lily group) one by one/Tao/Wan X wave/Lan (everyone in the black tower is a pseudo-mother)
Golden Triangle-French/China, British/China and American/China (all three are blond).
Black Triangle-United States/China, Russia/Romania/Sri Lanka, China/China (a newspaper headline once used the big triangle to describe the relationship between China, Russia and the United States, and the three countries contained each other).
China, Prussia, Shandong, Switzerland, Spain and Spain (the three countries were on the same front in the battle of Austria/Germany/Italy's succession, and the relations between the three countries were sometimes very good, but sometimes they were properly called friends-damaging groups because their interests betrayed each other by any means).