On December 19, the price for butadiene offered by China Petrochemical Corporation Zhenhai Refining and Chemical Co., Ltd. is $10,900 per ton. The specifications of butadiene are as follows: grade: premium quality; content, %: ≥99.5. The validity period of this quotation is three days. The quoting entity is China Petrochemical Corporation Zhenhai Refining and Chemical Co., Ltd.