February 25th news: Dongming Petrochemical's 50,000 tons/year butadiene plant is operating normally, with 280 tons available for external sales at a base price of 10,470 yuan/ton. Satellite Chemical's Lianyungang Petrochemical 90,000 tons/year butadiene plant is operating normally, with a price of 10,400 yuan/ton. Yantai Wanhua Chemical's Phase II 200,000 tons/year butadiene plant is operating normally, with a minimum auction quantity of 280 tons and a base price of 10,400 yuan/ton.