All alone
At the same time, China is remarkably lacking in real, dependable allies. In the Pacific alone, the United States can count Japan, Taiwan, Australia, South Korea, New Zealand, and The Philippines as close allies — and maintains cordial relations with others including Malaysia, Vietnam, and Indonesia.
China's list of allies in the Pacific, on the other hand, is a short one. Russia. Globally, China's allies include Pakistan, Zimbabwe, Venezuela, and the countries of the Shanghai Cooperation Organization — Pakistan, Kazakhstan, Kyrgyzstan, Tajikistan, and Uzbekistan. All are despotic or near-despotic states, many are unstable and many have long records of human rights abuses.
Beijing embraces its worst neighbors in part to keep them in check. This worked with Pakistan, but failed with North Korea. In Myanmar, China cozied up with the oppressive military regime only for it to suddenly open up and seek ties with the West and Japan. China's net gain was years of condemnation for supporting the junta — which is to say, a net loss.
Where China has really failed, however, is in simply getting along with nearby countries. Before the recent confrontation with The Philippines over the Ayungin Shoal, relations between Manila and Beijing had never been better. The same went for much of Southeast Asia before China declared sovereignty over 90 percent of the South China Sea.
Even relations with Japan, China's historical enemy, were cordial if staid.
Sometime around 2010, Beijing decided to stop playing nice. China began pushing long-dormant territorial claims — and tried its hardest to split the alliance between Japan and the U.S. China's relations with pretty much every country in East and Southeast Asia have chilled.
It's hard to say what China really hoped to gain. Some argue that China is attempting to "Finlandize" smaller Asian states — that is, intimidate them into expressing neutrality in order to deny them to the Americans. Others argue that China wanted those disputed territories but also fundamentally has a problem with treating other countries as equals.
Whatever the case, China's recent actions have left it largely friendless. Today its most important relationships with other countries are strictly economic in nature.
This has obvious implications for China's military posture. While the U.S. Navy can sail across the Pacific and call on practically dozens of ports, China's warships can sail just outside its territorial waters and, other than the Russian port of Vladivostok, have nowhere to go.
This places China at an enormous strategic disadvantage. Beijing has no allies to provide bases, share burdens, pool intelligence, or lend moral support.