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石油物资分为60大类,除少数自产自用外, 大部分均实行市场供应, 采购价格随市场变化而变化,其中石油专用管等部分重要物资价格还与国际油价相关联,价格变化因素更为复杂。
The petroleum materials are divided into 60 major categories, with the exception of a few for self-use and self-use, most of which are subject to market supply. The purchase price varies with the market changes. The prices of some important materials such as petroleum pipe are also linked to the international oil prices. Complicated.