In china, the petroleum and petrochemical industry, as the pillar industry of the national economy, is not only an energy production enterprise, but also a large energy consumer.in terms of energy consumption, china's petroleum and chemical industries consumed 47,192.5 x 104t standard coal in 2009, accounting for more than one-fifth of china's industrial energy consumption.there is a 15% gap between energy efficiency and foreign advanced level.if the oil and chemical industries could reduce energy consumption by one percent, that would mean millions of tons of oil would be saved.visible, petroleum and chemical industry enterprises to improve energy efficiency, energy-saving is how important!