The Guangxi Petrochemical Refining and Upgrading Integration Project undertaken by Qingdao Huayuan was successfully delivered.

The 180,000-ton/year butadiene extraction unit and the 100,000-ton/60,000-ton/year MTBE/butene-1 unit of the Guangxi Petrochemical Refining and Chemical Integration Transformation and Upgrading Project, undertaken by Qingdao Huayuan, have been successfully delivered.