February 12th News: The 50,000-ton/year butadiene unit of Dongming Petrochemical is operating normally, with 168 tons available for external sales at a base price of 10,300 yuan/ton. The 90,000-ton/year butadiene unit of Satellite Chemical's Lianyungang Petrochemical is operating normally, with a price of 10,300 yuan/ton. The 200,000-ton/year butadiene unit of Yantai Wanhua Chemical's Phase II project is operating normally, with a minimum auction volume of 280 tons and a base price of 10,100 yuan/ton.