No.1 National Highway in the Republic of Congo built by CSCEC is 535 kilometers long and took 8 years to complete. It starts from Pointe-Noire, and connects with the important cities such as Dolisie and Nkayi, and finally reaches Brazzaville, the capital of the Republic of Congo. The opening of No. 1 National Highway is of great significance to the development of the Republic of Congo.

No.1 National Highway in the Republic of Congo is an important achievement of the Forum on China-Africa Cooperation and one of the largest overseas highway projects built by CSCEC. The construction of No.1 National Highway has integrated the deep friendship between the two peoples and contributed to the development of local society and economy.