Japan’s prime minister arrived in Beijing on Thursday for his first formal bilateral summit with Chinese leaders in seven years as the Asian rivals seek to build on a thaw in ties against a backdrop of trade friction with the United States. . . .
While Japan, worried about China’s growing naval power, is keen for closer economic ties with its biggest trading partner, it must manage that rapprochement without upsetting its key security ally, the United States, with which it has trade problems of its own.