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The total investment of 460 million yuan in Yangzi Petrochemical's ethylene energy-saving retrofit project is currently under construction. The DA-101 gasoline dephlegmator is the key equipment for the ethylene plant. On August 24th, the existing old DA-101 gasoline fractionation tower weighing 345 tons was successfully dismantled, laying the foundation for the next installation of a new gasoline fractionation tower.