On October 11, China Petrochemical Corporation Zhenhai Refining and Chemical Co., Ltd.'s bid for butadiene was priced at RMB 8,800 per ton. The specifications of the butadiene are as follows: grade: premium quality; content, %: ≥ 99.5. This bid has a validity period of 3 days. The provider of the bid is China Petrochemical Corporation Zhenhai Refining and Chemical Co., Ltd.