East China's Zhejiang province invested 349.5 billion yuan ($52.95 billion) in fixed assets in the first four months of this year, a rise of 28.9 percent over the same period of last year, according to the provincial bureau of statistics.

Of the total, 107.31 billion yuan went to real estate development projects, up 45.4 percent year-on-year.

Investment by the state sector increased 26.3 percent, and input by private sector, up 31.6 percent.

Areas of commercial houses sold went down 19.3 percent year-on-year.