March 11th News: Sinopec East China Sales Company has set the butadiene price for Shanghai Petrochemical, Zhenhai Refining & Chemical, and Yangzi Petrochemical at 15,000 yuan per ton, a decrease of 500 yuan per ton compared to the previous trading day. Sinopec North China Sales Company has set the butadiene price for Zhongsha (Tianjin) Petrochemical at 15,000 yuan per ton, a decrease of 500 yuan per ton compared to the previous trading day. Sinopec Central China Sales Company has set the butadiene price for SK Wuhan Petrochemical at 15,000 yuan per ton, a decrease of 500 yuan per ton compared to the previous trading day. Sinopec South China Sales Company's butadiene quotations: Guangzhou Petrochemical, Maoming Petrochemical, and Sinochem Quanzhou Petrochemical are set at 15,000 yuan per ton, a decrease of 500 yuan per ton compared to the previous trading day.