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In July 2016, CNOOC Ningbo Daxie Petrochemical completed a nearly $2-billion modernization and upgrading program at the complex to lift overall crude processing capacity at the site to 7 million tpy, according to reports from local Chinese media outlets. Originally known as the distillation integrated utilization project, the revamp intended to boost refining capacity at the site to 8 million tpy, according to documents from CNOOC and the Daxie state-level development zone.