On September 29, the Zhenhai Refining & Chemical Company Limited of Sinopec announced a quote for Dimethyl Butadiene at 13,800 yuan per ton. The specification of the product includes: grade: premium quality; content,%: ≥99.5. The validity period of the quoted price is three days. The provider of the quoted price is Sinopec Zhenhai Refining & Chemical Company Limited.