Since 1991, below the kind consideration of head office of oil natural gas, qinghai oil management board begins refinery of wood of build case Er, petrifaction base also subsequently build.

• 从1991年起，在石油天然气总公司的亲切关怀下，青海石油治理局开始兴建格尔木炼油厂，石化基地也随之兴建。