As the fast development of national economy, the demand of petroleum and natural gas grows so rapidly in China that the average yearly growth rate is up to12% in recent years. It is estimated that the petroleum consumption will be over 400 million tons in 2020 state, and 60% of them will depend upon imports at that time.Compared with other ways, the pipeline transportation is characteristic of more quantity, more safely, less invest and lower cost as one of the ways to transport petroleum and natural gas fo...
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