Military power of China and Russia & China and North Korea

A hypothetical military alliance between China and Russia. The two countries share a land border and they signed the Treaty of Good-Neighborliness and Friendly Cooperation in 2001. A twenty-year strategic treaty extended or another 5 years after its expiration in February 2022. China is the world's most populous country, with a population of more than 1.4 billion people, on the other hand Russia is the largest country in the world by area, covering over 17,098,246 square kilometres.

Currently, China focuses on domestic weapon designs and manufacturing, while still importing certain military products from Russia, such as jet engines. In September 2018, Russia hosted the militaries of China and Mongolia as a part of the Vostok 2018 military exercise. Russia and China flew joint bomber patrols over the Pacific. China refused to condemn the Russian invasion of Ukraine. Following the implementation of international sanctions during the war, China provided economic relief to Russia.

The China-DPRK Treaty on Friendship is a treaty signed on 11 July 1961 between North Korea and China. The treaty obligates China militarily to defend North Korea and vice versa.North Korea enjoys a close relationship with China which is often called North Korea's closest ally. The relations were strained in the last few years because of China's concerns about North Korea's nuclear program. Both countries have nuclear weapons.