5178棋牌APP

    1. <label id="ekcgm"></label>
    2. <table id="ekcgm"><meter id="ekcgm"></meter></table>

        <sub id="ekcgm"><code id="ekcgm"></code></sub>
      1. petrochina
        PetroChina > About PetroChina > Core Business

        PetroChina is the largest oil and gas producer and distributor, playing a dominant role in the oil and gas industry in China. It is one of the companies with hugest sales revenue in China. It is engaged in wide range of activities related to oil and natural gas, including:

        exploration, development, production and marketing of crude oil and natural gas;

        refining, transportation, storage and marketing of crude oil and oil products;

        production and marketing of primary petrochemical products, derivative chemicals and other chemicals;

        transportation of natural gas, crude oil and refined oil, and marketing of natural gas.

        The business of the company covers all key sectors in the petroleum and petrochemical industry. It forms an optimal, efficient and integrated business chain from exploration and production of crude oil and natural gas in the upper stream to the refining, chemicals, pipelining and marketing in the middle and down stream, which greatly improves the operation efficiency, reduces costs and enhances the core competitiveness and overall anti-risk capability.

        Copyright © 2019.5178棋牌APP All rights reserved.www.d4l6e.cn

        939棋牌官网欢迎你登入| 558棋牌游戏官网| 幸运彩票下载安装| 抚顺棋牌| 海南十一选五首页| 江苏福彩快3走势图