China's energy producing sectors like oil and gas exploitation and power generation enjoyed the best performance in 2005 among 100 major industrial sectors of the nation.

The National Bureau of Statistics (NBS) released figures on the 2005 performance of the top ten firms of 100 major industrial sectors here on Friday.

According to the figures, the profits gained by China's top ten oil and gas mining firms totaled 241 billion yuan (30 billion U.S. dollars) in 2005, consolidating the sector's leading position in profit volume.

Other sectors with their top ten making profits of more than 20 billion yuan include the industries of steel processing, power generating and supply, tobacco manufacturing, communication equipment manufacturing and vehicle manufacturing.

The power generating sector leads others in profit per capita, 960,000 yuan on the average in 2005, followed by the oil and gas exploitation sector, 876,000 yuan. Per capita profit of the tobacco manufacturing sector reached 670,000 yuan, dropping from the first place in 2004 to the third in 2005.

The NBS said the selected 1,000 firms are the best players among the 270,000 large industrial companies of China. Profit margin of their core businesses reached 15.1 percent last year, 2.1 times of the average industrial profit margin.