当前石油石化工业发展中的几个趋势——面对国际国内多变的市场，石油石化工业面临严峻的挑战，项目建设必须慎重

Current petroleum and Petrochemical Industrial Development Trends--Petroleum and petrochemical industry faces stern challenges under changeable market environment both inside and outside China

提高企业集中度，向炼油化工一体化、大型化发展 我国石油石化工业竞争力不强的主要原因之一是企业集中度不高，规模较小。

One of the factors competitiveness of Chi petrochemical industry is low scale of enterprises. for the inadequate na＇s petroleum and concentration and small scale of enterprises.