February 10th News: The 50,000-ton/year butadiene unit of Dongming Petrochemical is operating normally, with 392 tons sold externally at a base price of 10,000 yuan/ton. The 90,000-ton/year butadiene unit of Satellite Chemical's Lianyungang Petrochemical is operating normally, with a price increase of 200 yuan/ton, now at 10,200 yuan/ton. The second-phase 200,000-ton/year butadiene unit of Yantai Wanhua Chemical is operating normally, with a listed price of 10,040 yuan/ton.