永坪炼油厂位于延川县永坪镇，是陕西省延长石油工业集团公司延长油矿管理局下属的中型石油炼制企业。全厂占地４０余公顷，现有职工１２００余名，拥有１００万吨／年常压蒸馏装置，５０万吨／年催化裂化装置，１５万吨／年催化重整、２０万吨／年柴油加氢－临氢降凝联合装置 Yongping Refinery, located in Yongping Town, Yanchuan County, is a medium-sized petroleum refinery company under the extension of the Oil Mines Administration of Shaanxi Yanchang Petroleum Industry Group Corporation. The whole plant covers an area of ​​more than 40 hectares and employs more than 1200 workers. It has 1 million tons of atmospheric distillation unit, 500,000 tons of catalytic cracking unit, 150,000 tons of catalytic reforming, and 200,000 tons of diesel annually. Hydrogenation-hydrogen declining condensation unit