On December 9, the price for butadiene offered by Sinopec Zhenhai Refining & Chemical Co., Ltd. was set at 7200 RMB/ton. The specifications of the butadiene are as follows: grade: premium; content,%: ≥99.5. The validity period of this quotation is three days. The provider of the quotation is Sinopec Zhenhai Refining & Chemical Co., Ltd.