[3][7] In early 2018, CCCC subsidiary, China Harbour Engineering Company, was debarred for attempted bribery of a senior government official in relation to a contract for the expansion of the Dhaka-Sylhet Highway.

[13] CCCC has been implicated in schemes devised by ex-Prime Minister Najib Razak and advisor Low Taek Jho to bail out debts related to 1MDB.

[16] Yet, in September 2019, during Najib's trial for corruption in relation to 1MDB, his previous assistant, Amhari Effendi Nazaruddin, testified that he traveled to Beijing China in June 2016 to discuss proposals for infrastructure projects that would help to pay off the debts of 1MDB and its former unit, SRC International.

[21][22] In 2009, the World Bank Group debarred CCCC and CRBC until 2017 for fraudulent practices under Phase 1 of the Philippines National Roads Improvement and Management Project.

[25][26][27] In August 2020, the United States Department of Commerce placed several CCCC subsidiaries on the Bureau of Industry and Security's Entity List for their construction work to militarize artificial islands in the South China Sea.

As of 2016[update], the State-owned Assets Supervision and Administration Commission of the State Council (SASAC) holds 63.8% of the company's shares.

[36] The company operates through various subsidiaries, including CRBD and CHED, John Holland Group, an Australia-based construction company focused on infrastructure, Friede & Goldman, headquartered in Houston, which engineers offshore vessels for the oil and gas industry, and Concremat Engenharia e Tecnologia S.A., an engineering and infrastructure consultancy based in Brasil.

[2][3] CCCC is involved in dredging projects in disputed areas in the South China Sea, highway-building in Xinjiang, and building naval logistics installations at Gwadar Port.