March 9th News: The 50,000-ton/year butadiene unit at Dongming Petrochemical is operating normally, with 224 tons sold externally at a base price of 15,000 yuan/ton. The 200,000-ton/year butadiene unit at Yantai Wanhua is operating normally, with 84 tons sold externally at a base price of 13,500 yuan/ton and a transaction price of 16,040 yuan/ton. The 90,000-ton/year butadiene unit at Satellite Chemical is operating normally, with a cumulative increase of 3,000 yuan/ton, currently priced at 16,000 yuan/ton.