All 38 delegations to the 19th National Congress of the Communist Party of China (CPC) had arrived in Beijing by Monday evening for the upcoming political event.

Delegates of Hunan Province to the 19th National Congress of the Communist Party of China (CPC) arrive in Beijing, capital of China, Oct. 16, 2017. The congress will start on Oct. 18 in Beijing. (Xinhua/Ding Haitao)

The delegations represent the Chinese mainland's 31 provincial regions, departments of the CPC Central Committee, central government organs, enterprises controlled by the central government, central financial system, the People's Liberation Army, the Armed Police, and CPC members of Taiwan origin.

More than 2,200 delegates, chosen from more than 89 million CPC members across the nation, will attend the twice-a-decade congress, scheduled to open Wednesday.

The delegates will deliberate an 18th CPC Central Committee report, a CPC Central Commission for Discipline Inspection work report and an amendment to the CPC Constitution at the congress.

The congress is also expected to unveil new CPC leadership and set a blueprint for national development for the next five years and beyond.