Sinopec East China Sales Company has set the butadiene price for Shanghai Petrochemical, Zhenhai Refining & Chemical, and Yangzi Petrochemical at 10,500 yuan per ton, remaining unchanged from the previous trading day. Sinopec North China Sales Company has set the butadiene price for Zhongsha (Tianjin) Petrochemical at 10,500 yuan per ton, also unchanged from the previous trading day. Sinopec Central China Sales Company has set the butadiene price for SK Global Chemical (Wuhan) Petrochemical at 10,500 yuan per ton, remaining steady from the previous trading day. Sinopec South China Sales Company has quoted the butadiene price for Guangzhou Petrochemical, Maoming Petrochemical, and Sinopec Zhongke Refining & Chemical at 10,500 yuan per ton, unchanged from the previous trading day.