What is the Russian Duma equivalent to in China?

The Russian Duma is equivalent to China's National People's Congress.

The Russian State Duma is the lower house of the Russian Federal Parliament, and its function is to amend the Constitution by a two-thirds majority and overturn the veto of bills by the Federal Council by a two-thirds majority, which is similar to the function of the National People's Congress.

The National People's Congress of the People's Republic of China is the highest organ of state power. Its permanent organ is the NPC Standing Committee. The National People's Congress and the NPC Standing Committee exercise the legislative power of the state. The National People's Congress is composed of representatives elected by provinces, autonomous regions, municipalities directly under the Central Government, special administrative regions and the armed forces. All ethnic minorities should have an appropriate number of representatives.