China Construction Bank, one of China's major state-owned banks, on Sunday reported a 0.97-percent year-on-year increase in net profits in the first half of 2015.

Net profits stood at around 132.2 billion yuan (20.66 billion U.S. dollars) in the first six months, the lender said late on Sunday.

Business revenue for the six-month period gained 8.34 percent year on year to reach 311 billion yuan.

Net profits from interest for the six-month period gained 6.31 percent year on year, while net profits from fees and commissions rose 5.76 percent year on year.

Its non-performing loan ratio rose to 1.42 percent at the end of June, an increase of 0.23 percentage points from the end of 2014.

Non-performing loans stood at 144.36 billion yuan at the end of June, up 31.19 billion yuan from the end of last year.