提高中国石油及石化企业在世界石油工业中的竞争地位。

China's petroleum and petrochemical industries should further explore the contestable position in the worldwide petroleum industry.

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公司的主营业务是石油天然气的勘探和开发，石油及石化产品的生产和销售。

The company's main business is oil and gas exploration and development, oil and petrochemical products production and sales.

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购货合同中列名的随设备购进的部分塑料件、橡胶件、陶瓷件及石化项目用的管材等，也可退税。

For purchased plastic ware, rubber ware, ceramic ware and tube for petrochemical industry concluded in contract, added-value tax can also be returned.

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