Total output value of China's machine building industry in the first quarter this year reached 680.89 billion yuan (more than 82 billion US dollars), up 29.89 percent year-on-year, latest statistics show.

In the period, the value added output value of China's machine building industry reached 138.5 billion yuan (16.75 billion US dollars), an increase of 34.83 percent year-on-year, according breakdowns released Monday by the China Federation of Machine Building Industry.

The profits of the country's machine building sector reported 37.636 billion yuan (about 4.55 billion yuan US dollars) in the first three months, an annual increase of 30.28 percent, statistics show.

All the related industrial sectors, except that involving the office equipment, witnessed a growth rate of over 30 percent during the three-month period.

The auto sector reported the biggest profits, totaling 19.243 billion yuan (over 2.33 billion US dollars), accounting for over half of the total profits in the industrial sector.

While the electrical engineering sector contributed the most, or 30.54 percent, to the industrial output value.

Statistics have indicated that the total output value of China's machine building industry reached 2,530.9 billion yuan (some 305billion US dollars) last year, a rise of 31.9 percent year on year.