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Petrochemical

For many years, it has been used in oil production, water injection and oil pipelines in domestic oil fields such as Shengli Oilfield, Qinghai Oilfield, Changqing Oilfield, Liaohe Oilfield, etc.

2021-03-26

WEICHAUNG

For many years, it has been used in oil production, water injection and oil pipelines in domestic oil fields such as Shengli Oilfield, Qinghai Oilfield, Changqing Oilfield, Liaohe Oilfield, etc.