延安石油化工厂作为延长集团下属的国有石油化工生产企业，必须夯实发展基础，以面对不断变化的内外部环境。
Yan ' an Petroleum Chemical Plant as a subordinative state-owned petrochemical productive enterprise of Yanchang Petroleum Group , It must consolidate foundation for development for facing to changing internal and external environment .
延安石油化工厂