The rebound in oil demand by the United States of factors, higher international oil prices on the 17th round, New York oil prices closed at close to 83 U.S. dollars a barrel. 156 Organization of Petroleum Exporting Countries on the 17th Ministerial Conference held in Vienna, according to the communique issued after the organization, OPEC decided to maintain crude oil production quotas unchanged. This is the 5th consecutive OPEC to maintain the production ceiling unchanged decisions. OPEC President of this meeting, Ecuador mineral, oil minister Germanico Pinto at the day's meeting that the current global economic recovery, there are still too many uncertainties, the world oil market, there are also huge risk, oil prices stability is still very fragile and need to OPEC members, non-OPEC oil producers and oil consuming countries to work together. Has been since 2009, OPEC crude oil production quota of 24.84 million barrels have been limited to the level, but data show that in fact some members of OPEC production quotas have been exceeded. (Autumn Jade)