Fitch Ratings affirmed China's sovereign debt rating at 'A+' on Thursday. The outlook is stable.

"China's ratings balance a strong sovereign balance sheet and sustained high GDP growth against high sovereign contingent liabilities and a range of structural weaknesses and risks," the agency said.

Fitch noted that China can handle risks to the country's basic economic and financial stability as it has the administrative and financial resources.

The agency expects general government debt to be 53% of GDP at end-2015, up from 49% at end-2014, and about 54% of GDP in 2016.

China's economy is expected to expand 6.8% in 2015, 6.3% in 2016 and 6% in 2017.