February 25th News: Sinopec East China Sales Company has set the butadiene price for Shanghai Petrochemical, Zhenhai Refining & Chemical, and Yangzi Petrochemical at 10,400 yuan per ton, an increase of 100 yuan per ton compared to the previous trading day. Sinopec North China Sales Company has set the butadiene price for Sinopec SABIC (Tianjin) Petrochemical at 10,400 yuan per ton, an increase of 100 yuan per ton compared to the previous trading day. Sinopec Central China Sales Company has set the butadiene price for Sinopec SK (Wuhan) Petrochemical at 10,400 yuan per ton, an increase of 100 yuan per ton compared to the previous trading day. Sinopec South China Sales Company's butadiene quotation: Guangzhou Petrochemical, Maoming Petrochemical, and Sinochem Refining & Chemical are set at 10,400 yuan per ton, an increase of 100 yuan per ton compared to the previous trading day. Company